136573375631 has 32 divisors (see below), whose sum is σ = 172557374976. Its totient is φ = 104996736000.

The previous prime is 136573375571. The next prime is 136573375639.

136573375631 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 136573375631 - 2⁶ = 136573375567 is a prime.

It is a super-2 number, since 2×136573375631² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 136573375631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136573375639) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4849511 + ... + 4877591.

It is an arithmetic number, because the mean of its divisors is an integer number (5392417968).

Almost surely, 2^136573375631 is an apocalyptic number.

136573375631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

136573375631 is a deficient number, since it is larger than the sum of its proper divisors (35983999345).

136573375631 is a wasteful number, since it uses less digits than its factorization.

136573375631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28943.

The product of its digits is 3572100, while the sum is 50.

The spelling of 136573375631 in words is "one hundred thirty-six billion, five hundred seventy-three million, three hundred seventy-five thousand, six hundred thirty-one".