131157942 has 16 divisors (see below), whose sum is σ = 263416320. Its totient is φ = 43535912.

The previous prime is 131157913. The next prime is 131157947. The reversal of 131157942 is 249751131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131157947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44298 + ... + 47165.

It is an arithmetic number, because the mean of its divisors is an integer number (16463520).

Almost surely, 2^131157942 is an apocalyptic number.

131157942 is an abundant number, since it is smaller than the sum of its proper divisors (132258378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131157942 is a wasteful number, since it uses less digits than its factorization.

131157942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91707.

The product of its digits is 7560, while the sum is 33.

The square root of 131157942 is about 11452.4207921295. The cubic root of 131157942 is about 508.0793348516.

The spelling of 131157942 in words is "one hundred thirty-one million, one hundred fifty-seven thousand, nine hundred forty-two".