131650957 has 4 divisors (see below), whose sum is σ = 131810976. Its totient is φ = 131490940.

The previous prime is 131650951. The next prime is 131651027. The reversal of 131650957 is 759056131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 759056131 = 103 ⋅7369477.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131650957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131650951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78769 + ... + 80422.

It is an arithmetic number, because the mean of its divisors is an integer number (32952744).

Almost surely, 2^131650957 is an apocalyptic number.

It is an amenable number.

131650957 is a deficient number, since it is larger than the sum of its proper divisors (160019).

131650957 is an equidigital number, since it uses as much as digits as its factorization.

131650957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160018.

The product of its (nonzero) digits is 28350, while the sum is 37.

The square root of 131650957 is about 11473.9250912667. The cubic root of 131650957 is about 508.7151523077.

The spelling of 131650957 in words is "one hundred thirty-one million, six hundred fifty thousand, nine hundred fifty-seven".