131393874 has 16 divisors (see below), whose sum is σ = 262900512. Its totient is φ = 43779168.

The previous prime is 131393869. The next prime is 131393881. The reversal of 131393874 is 478393131.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23142 + ... + 28254.

It is an arithmetic number, because the mean of its divisors is an integer number (16431282).

Almost surely, 2^131393874 is an apocalyptic number.

131393874 is an abundant number, since it is smaller than the sum of its proper divisors (131506638).

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

131393874 is a wasteful number, since it uses less digits than its factorization.

131393874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9401.

The product of its digits is 54432, while the sum is 39.

The square root of 131393874 is about 11462.7166936987. The cubic root of 131393874 is about 508.3838033081.

The spelling of 131393874 in words is "one hundred thirty-one million, three hundred ninety-three thousand, eight hundred seventy-four".