diff --git a/contrib/search_api_views/includes/handler_field.inc b/contrib/search_api_views/includes/handler_field.inc
index 9627ed2..620583d 100644
--- a/contrib/search_api_views/includes/handler_field.inc
+++ b/contrib/search_api_views/includes/handler_field.inc
@@ -62,6 +62,9 @@ class SearchApiViewsHandlerField extends views_handler_field {
           'collapse' => t('Concatenate values using the list seperator'),
           'first' => t('Show first (if present)'),
           'count' => t('Show item count'),
+          'sum' => t('Show the sum of the values'),
+          'min' => t('Show the minimum of the values'),
+          'max' => t('Show the maximum of the values'),
         ),
         '#default_value' => $this->options['list']['mode'],
       );
@@ -70,6 +73,7 @@ class SearchApiViewsHandlerField extends views_handler_field {
         '#title' => t('List seperator'),
         '#default_value' => $this->options['list']['glue'],
       );
+      $form['list']['glue']['#states']['visible'][':input[name="options[list][mode]"]']['value'] = 'collapse';
     }
     $form['link_to_entity'] = array(
       '#type' => 'checkbox',
@@ -138,27 +142,61 @@ class SearchApiViewsHandlerField extends views_handler_field {
    * Render a list of values.
    */
   protected function renderArray($value, $values) {
-    if (isset($this->options['list']['mode'])) {
-      if ($this->options['list']['mode'] == 'first') {
-        $value = count($value) ? array_shift($value) : NULL;
-        if (is_array($value)) {
-          return $this->renderLink($value, $values);
-        }
-        elseif (isset($value)) {
-          return $this->renderLink($value, $values);
-        }
-        return NULL;
+    $mode = $this->options['list']['mode'];
+    if ($mode == 'first') {
+      while (is_array($value)) {
+        $value = reset($value);
       }
-      if ($this->options['list']['mode'] == 'count') {
-        return count($value);
+      return isset($value) ? $this->renderLink($value, $values) : NULL;
+    }
+    if ($mode == 'collapse') {
+      $vs = array();
+      foreach ($value as $v) {
+        $vs[] = is_array($v) ? $this->renderArray($v, $values) : $this->renderLink($v, $values);
       }
+      return implode($this->options['list']['glue'], $vs);
     }
-    $vs = array();
+    return $this->reduceArray($value, $mode);
+  }
+
+  /**
+   * Helper method for only reducing an array, without linking.
+   *
+   * Used for the "count", "sum", "min" and "max" list handling options.
+   */
+  protected function reduceArray($value, $mode) {
+    // "min" and "max" return NULL for empty arrays, the others return 0.
+    $ret = $mode[0] == 'm' ? NULL : 0;
     foreach ($value as $v) {
-      $vs[] = is_array($v) ? $this->renderArray($v, $values) : $this->renderLink($v, $values);
+      if (is_array($v)) {
+        if (!$v) {
+          continue;
+        }
+        $v = $this->reduceArray($v, $mode);
+      }
+      if (!isset($v)) {
+        continue;
+      }
+      switch ($mode) {
+        case 'count':
+          ++$ret;
+          break;
+        case 'sum':
+          $ret += $v;
+          break;
+        case 'min':
+          if (!isset($ret) || $v < $ret) {
+            $ret = $v;
+          }
+          break;
+        case 'max':
+          if (!isset($ret) || $v > $ret) {
+            $ret = $v;
+          }
+          break;
+      }
     }
-    $glue = isset($this->options['list']['glue']) ? $this->options['list']['glue'] : ', ';
-    return implode($glue, $vs);
+    return $ret;
   }
 
   /**
diff --git a/contrib/search_api_views/includes/handler_field_entity.inc b/contrib/search_api_views/includes/handler_field_entity.inc
index 6cc11f4..439929b 100644
--- a/contrib/search_api_views/includes/handler_field_entity.inc
+++ b/contrib/search_api_views/includes/handler_field_entity.inc
@@ -70,7 +70,7 @@ class SearchApiViewsHandlerFieldEntity extends SearchApiViewsHandlerField {
    * Helper function for rendering a single value.
    */
   protected function renderValue($value) {
-    if ($this->options['format_name']) {
+    if (is_numeric($value) && $this->options['format_name']) {
       $value = (int) $value;
       $entity = entity_load($this->entity_type, array($value));
       if (isset($entity[$value])) {