680136026936 has 16 divisors (see below), whose sum is σ = 1275265202040. Its totient is φ = 340065306400.

The previous prime is 680136026923. The next prime is 680136026953. The reversal of 680136026936 is 639620631086.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1078286 + ... + 1588386.

Almost surely, 2^680136026936 is an apocalyptic number.

It is an amenable number.

680136026936 is a deficient number, since it is larger than the sum of its proper divisors (595129175104).

680136026936 is a wasteful number, since it uses less digits than its factorization.

680136026936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676774 (or 676770 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 50.

The spelling of 680136026936 in words is "six hundred eighty billion, one hundred thirty-six million, twenty-six thousand, nine hundred thirty-six".