131082939 has 24 divisors (see below), whose sum is σ = 207763920. Its totient is φ = 79140672.

The previous prime is 131082901. The next prime is 131082967. The reversal of 131082939 is 939280131.

It is not a de Polignac number, because 131082939 - 2⁸ = 131082683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131082989) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4369 + ... + 16770.

It is an arithmetic number, because the mean of its divisors is an integer number (8656830).

Almost surely, 2^131082939 is an apocalyptic number.

131082939 is a deficient number, since it is larger than the sum of its proper divisors (76680981).

131082939 is a wasteful number, since it uses less digits than its factorization.

131082939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21211 (or 21208 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 131082939 is about 11449.1457759957. The cubic root of 131082939 is about 507.9824675682.

The spelling of 131082939 in words is "one hundred thirty-one million, eighty-two thousand, nine hundred thirty-nine".