131374555 has 16 divisors (see below), whose sum is σ = 179764704. Its totient is φ = 91307520.

The previous prime is 131374519. The next prime is 131374561. The reversal of 131374555 is 555473131.

It is not a de Polignac number, because 131374555 - 2²⁵ = 97820123 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131374555.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58341 + ... + 60550.

It is an arithmetic number, because the mean of its divisors is an integer number (11235294).

Almost surely, 2^131374555 is an apocalyptic number.

131374555 is a deficient number, since it is larger than the sum of its proper divisors (48390149).

131374555 is a wasteful number, since it uses less digits than its factorization.

131374555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118926.

The product of its digits is 31500, while the sum is 34.

The square root of 131374555 is about 11461.8739741807. The cubic root of 131374555 is about 508.3588859919.

The spelling of 131374555 in words is "one hundred thirty-one million, three hundred seventy-four thousand, five hundred fifty-five".