131885944 has 32 divisors (see below), whose sum is σ = 250675200. Its totient is φ = 65046240.

The previous prime is 131885917. The next prime is 131885951. The reversal of 131885944 is 449588131.

It is a super-2 number, since 2×131885944² = 34787804449542272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131885944.

It is a congruent number.

It is an unprimeable number.

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, 275097 + ... + 275575.

It is an arithmetic number, because the mean of its divisors is an integer number (7833600).

Almost surely, 2^131885944 is an apocalyptic number.

It is an amenable number.

131885944 is a deficient number, since it is larger than the sum of its proper divisors (118789256).

131885944 is a wasteful number, since it uses less digits than its factorization.

131885944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883 (or 879 counting only the distinct ones).

The product of its digits is 138240, while the sum is 43.

The square root of 131885944 is about 11484.1605701070. The cubic root of 131885944 is about 509.0176450924.

The spelling of 131885944 in words is "one hundred thirty-one million, eight hundred eighty-five thousand, nine hundred forty-four".