131970774 has 16 divisors (see below), whose sum is σ = 284244912. Its totient is φ = 40606368.

The previous prime is 131970743. The next prime is 131970791. The reversal of 131970774 is 477079131.

131970774 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 845889 + ... + 846044.

It is an arithmetic number, because the mean of its divisors is an integer number (17765307).

Almost surely, 2^131970774 is an apocalyptic number.

131970774 is an abundant number, since it is smaller than the sum of its proper divisors (152274138).

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

131970774 is a wasteful number, since it uses less digits than its factorization.

131970774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691951.

The product of its (nonzero) digits is 37044, while the sum is 39.

The square root of 131970774 is about 11487.8533242726. The cubic root of 131970774 is about 509.1267563213.

The spelling of 131970774 in words is "one hundred thirty-one million, nine hundred seventy thousand, seven hundred seventy-four".