131622995 has 16 divisors (see below), whose sum is σ = 183057408. Its totient is φ = 88982880.

The previous prime is 131622971. The next prime is 131623007. The reversal of 131622995 is 599226131.

It is a de Polignac number, because none of the positive numbers 2^k-131622995 is a prime.

It is a super-2 number, since 2×131622995² = 34649225625540050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23999 + ... + 28968.

It is an arithmetic number, because the mean of its divisors is an integer number (11441088).

Almost surely, 2^131622995 is an apocalyptic number.

131622995 is a deficient number, since it is larger than the sum of its proper divisors (51434413).

131622995 is an equidigital number, since it uses as much as digits as its factorization.

131622995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53050.

The product of its digits is 29160, while the sum is 38.

The square root of 131622995 is about 11472.7065246175. The cubic root of 131622995 is about 508.6791335790.

The spelling of 131622995 in words is "one hundred thirty-one million, six hundred twenty-two thousand, nine hundred ninety-five".