131288572 has 12 divisors (see below), whose sum is σ = 231903000. Its totient is φ = 65030576.

The previous prime is 131288557. The next prime is 131288609. The reversal of 131288572 is 275882131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152947 + ... + 153802.

It is an arithmetic number, because the mean of its divisors is an integer number (19325250).

Almost surely, 2^131288572 is an apocalyptic number.

It is an amenable number.

131288572 is a deficient number, since it is larger than the sum of its proper divisors (100614428).

131288572 is a wasteful number, since it uses less digits than its factorization.

131288572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306860 (or 306858 counting only the distinct ones).

The product of its digits is 26880, while the sum is 37.

The square root of 131288572 is about 11458.1225338185. The cubic root of 131288572 is about 508.2479569476.

The spelling of 131288572 in words is "one hundred thirty-one million, two hundred eighty-eight thousand, five hundred seventy-two".