136629464657 has 8 divisors (see below), whose sum is σ = 156537359232. Its totient is φ = 116818920000.

The previous prime is 136629464639. The next prime is 136629464663. The reversal of 136629464657 is 756464926631.

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

It is a cyclic number.

It is not a de Polignac number, because 136629464657 - 2²⁰ = 136628416081 is a prime.

It is a super-2 number, since 2×136629464657² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136629464596 and 136629464605.

It is not an unprimeable number, because it can be changed into a prime (136629464617) 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, 24334469 + ... + 24340082.

It is an arithmetic number, because the mean of its divisors is an integer number (19567169904).

Almost surely, 2^136629464657 is an apocalyptic number.

It is an amenable number.

136629464657 is a deficient number, since it is larger than the sum of its proper divisors (19907894575).

136629464657 is an equidigital number, since it uses as much as digits as its factorization.

136629464657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48674959.

The product of its digits is 39191040, while the sum is 59.

The spelling of 136629464657 in words is "one hundred thirty-six billion, six hundred twenty-nine million, four hundred sixty-four thousand, six hundred fifty-seven".