131375516 has 6 divisors (see below), whose sum is σ = 229907160. Its totient is φ = 65687756.

The previous prime is 131375513. The next prime is 131375537. The reversal of 131375516 is 615573131.

131375516 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

131375516 is strictly pandigital in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131375513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16421936 + ... + 16421943.

It is an arithmetic number, because the mean of its divisors is an integer number (38317860).

Almost surely, 2^131375516 is an apocalyptic number.

It is an amenable number.

131375516 is a deficient number, since it is larger than the sum of its proper divisors (98531644).

131375516 is a wasteful number, since it uses less digits than its factorization.

131375516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32843883 (or 32843881 counting only the distinct ones).

The product of its digits is 9450, while the sum is 32.

The square root of 131375516 is about 11461.9158956956. The cubic root of 131375516 is about 508.3601255310.

The spelling of 131375516 in words is "one hundred thirty-one million, three hundred seventy-five thousand, five hundred sixteen".