131885252 has 12 divisors (see below), whose sum is σ = 244375740. Its totient is φ = 62063616.

The previous prime is 131885249. The next prime is 131885261. The reversal of 131885252 is 252588131.

It can be written as a sum of positive squares in 2 ways, for example, as 61089856 + 70795396 = 7816^2 + 8414^2 .

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, 969677 + ... + 969812.

It is an arithmetic number, because the mean of its divisors is an integer number (20364645).

Almost surely, 2^131885252 is an apocalyptic number.

It is an amenable number.

131885252 is a deficient number, since it is larger than the sum of its proper divisors (112490488).

131885252 is a wasteful number, since it uses less digits than its factorization.

131885252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1939510 (or 1939508 counting only the distinct ones).

The product of its digits is 19200, while the sum is 35.

The square root of 131885252 is about 11484.1304416138. The cubic root of 131885252 is about 509.0167548261.

The spelling of 131885252 in words is "one hundred thirty-one million, eight hundred eighty-five thousand, two hundred fifty-two".