131626364191 has 32 divisors (see below), whose sum is σ = 155319690240. Its totient is φ = 109207332864.

The previous prime is 131626364161. The next prime is 131626364209. The reversal of 131626364191 is 191463626131.

It is not a de Polignac number, because 131626364191 - 2⁵ = 131626364159 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131626364161) 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, 15622806 + ... + 15631228.

It is an arithmetic number, because the mean of its divisors is an integer number (4853740320).

Almost surely, 2^131626364191 is an apocalyptic number.

131626364191 is a deficient number, since it is larger than the sum of its proper divisors (23693326049).

131626364191 is a wasteful number, since it uses less digits than its factorization.

131626364191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8935.

The product of its digits is 139968, while the sum is 43.

The spelling of 131626364191 in words is "one hundred thirty-one billion, six hundred twenty-six million, three hundred sixty-four thousand, one hundred ninety-one".