131502772 has 12 divisors (see below), whose sum is σ = 235482016. Its totient is φ = 64222200.

The previous prime is 131502697. The next prime is 131502779. The reversal of 131502772 is 277205131.

It is a self number, because there is not a number n which added to its sum of digits gives 131502772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131502779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382104 + ... + 382447.

Almost surely, 2^131502772 is an apocalyptic number.

It is an amenable number.

131502772 is a deficient number, since it is larger than the sum of its proper divisors (103979244).

131502772 is a wasteful number, since it uses less digits than its factorization.

131502772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764598 (or 764596 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 131502772 is about 11467.4658054864. The cubic root of 131502772 is about 508.5242124212.

The spelling of 131502772 in words is "one hundred thirty-one million, five hundred two thousand, seven hundred seventy-two".