וַיְחִ֣י מְתוּשֶׁ֔לַח שֶׁ֧בַע וּשְׁמֹנִ֛ים שָׁנָ֖ה וּמְאַ֣ת שָׁנָ֑ה וַיּ֖וֹלֶד אֶת־לָֽמֶךְ׃
And Methuselah lived a hundred eighty and seven years, and begot Lamech.
Read kabbalistic (mystical) interpretation of Genesis 5:25: and classical mystical sources.