136468375488657 has 24 divisors (see below), whose sum is σ = 208660547409600. Its totient is φ = 85798882417248.

The previous prime is 136468375488547. The next prime is 136468375488677. The reversal of 136468375488657 is 756884573864631.

136468375488657 is a `hidden beast` number, since 1 + 3 + 6 + 4 + 6 + 8 + 3 + 7 + 548 + 8 + 65 + 7 = 666.

It is not a de Polignac number, because 136468375488657 - 2²⁰ = 136468374440081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136468375488677) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 6079841557 + ... + 6079864002.

It is an arithmetic number, because the mean of its divisors is an integer number (8694189475400).

Almost surely, 2^{136468375488657} is an apocalyptic number.

It is an amenable number.

136468375488657 is a deficient number, since it is larger than the sum of its proper divisors (72192171920943).

136468375488657 is a wasteful number, since it uses less digits than its factorization.

136468375488657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12159705637 (or 12159705634 counting only the distinct ones).

The product of its digits is 19508428800, while the sum is 81.

The spelling of 136468375488657 in words is "one hundred thirty-six trillion, four hundred sixty-eight billion, three hundred seventy-five million, four hundred eighty-eight thousand, six hundred fifty-seven".