680290137 has 16 divisors (see below), whose sum is σ = 1008840000. Its totient is φ = 453075552.

The previous prime is 680290123. The next prime is 680290147. The reversal of 680290137 is 731092086.

It is not a de Polignac number, because 680290137 - 2⁶ = 680290073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (680290147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16314 + ... + 40332.

It is an arithmetic number, because the mean of its divisors is an integer number (63052500).

Almost surely, 2^680290137 is an apocalyptic number.

It is an amenable number.

680290137 is a deficient number, since it is larger than the sum of its proper divisors (328549863).

680290137 is a wasteful number, since it uses less digits than its factorization.

680290137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25077 (or 25071 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 680290137 is about 26082.3721505541. The cubic root of 680290137 is about 879.4909836062.

The spelling of 680290137 in words is "six hundred eighty million, two hundred ninety thousand, one hundred thirty-seven".