131526608 has 20 divisors (see below), whose sum is σ = 255952740. Its totient is φ = 65474304.

The previous prime is 131526599. The next prime is 131526613. The reversal of 131526608 is 806625131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 108409744 + 23116864 = 10412^2 + 4808^2 .

It is a super-2 number, since 2×131526608² = 34598497223971328, which contains 22 as substring.

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, 14285 + ... + 21612.

It is an arithmetic number, because the mean of its divisors is an integer number (12797637).

Almost surely, 2^131526608 is an apocalyptic number.

It is an amenable number.

131526608 is a deficient number, since it is larger than the sum of its proper divisors (124426132).

131526608 is a wasteful number, since it uses less digits than its factorization.

131526608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36134 (or 36128 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 131526608 is about 11468.5050464304. The cubic root of 131526608 is about 508.5549353498.

The spelling of 131526608 in words is "one hundred thirty-one million, five hundred twenty-six thousand, six hundred eight".