131375694 has 16 divisors (see below), whose sum is σ = 278207568. Its totient is φ = 41215872.

The previous prime is 131375689. The next prime is 131375723. The reversal of 131375694 is 496573131.

It is a Curzon number.

It is a congruent 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, 643897 + ... + 644100.

It is an arithmetic number, because the mean of its divisors is an integer number (17387973).

Almost surely, 2^131375694 is an apocalyptic number.

131375694 is an abundant number, since it is smaller than the sum of its proper divisors (146831874).

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

131375694 is a wasteful number, since it uses less digits than its factorization.

131375694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288019.

The product of its digits is 68040, while the sum is 39.

The square root of 131375694 is about 11461.9236605380. The cubic root of 131375694 is about 508.3603551224.

The spelling of 131375694 in words is "one hundred thirty-one million, three hundred seventy-five thousand, six hundred ninety-four".