131474512 has 20 divisors (see below), whose sum is σ = 274327060. Its totient is φ = 60680448.

The previous prime is 131474507. The next prime is 131474513. The reversal of 131474512 is 215474131.

It can be written as a sum of positive squares in 2 ways, for example, as 89794576 + 41679936 = 9476^2 + 6456^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131474513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315837 + ... + 316252.

It is an arithmetic number, because the mean of its divisors is an integer number (13716353).

Almost surely, 2^131474512 is an apocalyptic number.

It is an amenable number.

131474512 is an abundant number, since it is smaller than the sum of its proper divisors (142852548).

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

131474512 is a wasteful number, since it uses less digits than its factorization.

131474512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632110 (or 632104 counting only the distinct ones).

The product of its digits is 3360, while the sum is 28.

The square root of 131474512 is about 11466.2335577120. The cubic root of 131474512 is about 508.4877824571.

The spelling of 131474512 in words is "one hundred thirty-one million, four hundred seventy-four thousand, five hundred twelve".