סוּסֵיהֶ֕ם שְׁבַ֥ע מֵא֖וֹת שְׁלֹשִׁ֣ים וְשִׁשָּׁ֑ה פִּרְדֵיהֶ֕ם מָאתַ֖יִם אַרְבָּעִ֥ים וַחֲמִשָּֽׁה׃
Their horses were seven hundred thirty and six; their mules, two hundred forty and five;
Read kabbalistic (mystical) interpretation of Ezra 2:66: and classical mystical sources.