136172500657 has 8 divisors (see below), whose sum is σ = 136271229696. Its totient is φ = 136073811552.

The previous prime is 136172500637. The next prime is 136172500679. The reversal of 136172500657 is 756005271631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136172500657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136172500627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10211128 + ... + 10224454.

It is an arithmetic number, because the mean of its divisors is an integer number (17033903712).

Almost surely, 2^136172500657 is an apocalyptic number.

It is an amenable number.

136172500657 is a deficient number, since it is larger than the sum of its proper divisors (98729039).

136172500657 is a wasteful number, since it uses less digits than its factorization.

136172500657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19967.

The product of its (nonzero) digits is 264600, while the sum is 43.

The spelling of 136172500657 in words is "one hundred thirty-six billion, one hundred seventy-two million, five hundred thousand, six hundred fifty-seven".