וַיְהִ֣י לִשְׁלֹמֹ֗ה אַרְבָּעִ֥ים אֶ֛לֶף אֻרְוֺ֥ת סוּסִ֖ים לְמֶרְכָּב֑וֹ וּשְׁנֵים־עָשָׂ֥ר אֶ֖לֶף פָּרָשִֽׁים׃
And Solomon had forty thousand stalls of horses for his chariots, and twelve thousand horsemen.
Read kabbalistic (mystical) interpretation of I Kings 5:6: and classical mystical sources.