131554512 has 30 divisors (see below), whose sum is σ = 368170322. Its totient is φ = 43851456.

The previous prime is 131554481. The next prime is 131554519. The reversal of 131554512 is 215455131.

It can be written as a sum of positive squares in only one way, i.e., 83612736 + 47941776 = 9144^2 + 6924^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131554519) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 456643 + ... + 456930.

Almost surely, 2^131554512 is an apocalyptic number.

131554512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131554512 is an abundant number, since it is smaller than the sum of its proper divisors (236615810).

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

131554512 is a wasteful number, since it uses less digits than its factorization.

131554512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913587 (or 913578 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 131554512 is about 11469.7215310573. The cubic root of 131554512 is about 508.5908969288.

The spelling of 131554512 in words is "one hundred thirty-one million, five hundred fifty-four thousand, five hundred twelve".