וַֽיְחִ֣י מַֽהֲלַלְאֵ֔ל חָמֵ֥שׁ שָׁנִ֖ים וְשִׁשִּׁ֣ים שָׁנָ֑ה וַיּ֖וֹלֶד אֶת־יָֽרֶד׃
And Mahalalel lived sixty and five years, and begot Jared.
Read Kabbalistic (mystical) interpretations of Genesis 5:15: Zohar and classical Jewish mystical sources, free online.