136630692657 has 6 divisors (see below), whose sum is σ = 197355444962. Its totient is φ = 91087128432.

The previous prime is 136630692643. The next prime is 136630692659. The reversal of 136630692657 is 756296036631.

136630692657 is a `hidden beast` number, since 13 + 66 + 306 + 9 + 265 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 108765401616 + 27865291041 = 329796^2 + 166929^2 .

It is not a de Polignac number, because 136630692657 - 2¹⁵ = 136630659889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136630692659) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7590594028 + ... + 7590594045.

Almost surely, 2^136630692657 is an apocalyptic number.

It is an amenable number.

136630692657 is a deficient number, since it is larger than the sum of its proper divisors (60724752305).

136630692657 is a wasteful number, since it uses less digits than its factorization.

136630692657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15181188079 (or 15181188076 counting only the distinct ones).

The product of its (nonzero) digits is 7348320, while the sum is 54.

The spelling of 136630692657 in words is "one hundred thirty-six billion, six hundred thirty million, six hundred ninety-two thousand, six hundred fifty-seven".