131536912 has 20 divisors (see below), whose sum is σ = 274457260. Its totient is φ = 60709248.

The previous prime is 131536907. The next prime is 131536963. The reversal of 131536912 is 219635131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 56610576 + 74926336 = 7524^2 + 8656^2 .

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, 315987 + ... + 316402.

It is an arithmetic number, because the mean of its divisors is an integer number (13722863).

Almost surely, 2^131536912 is an apocalyptic number.

It is an amenable number.

131536912 is an abundant number, since it is smaller than the sum of its proper divisors (142920348).

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

131536912 is a wasteful number, since it uses less digits than its factorization.

131536912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632410 (or 632404 counting only the distinct ones).

The product of its digits is 4860, while the sum is 31.

The square root of 131536912 is about 11468.9542679357. The cubic root of 131536912 is about 508.5682153325.

The spelling of 131536912 in words is "one hundred thirty-one million, five hundred thirty-six thousand, nine hundred twelve".