130637556 has 48 divisors (see below), whose sum is σ = 387076480. Its totient is φ = 37324800.

The previous prime is 130637531. The next prime is 130637557. The reversal of 130637556 is 655736031.

It is a happy number.

130637556 is a `hidden beast` number, since 13 + 0 + 637 + 5 + 5 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 130637556.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130637557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85645 + ... + 87156.

Almost surely, 2^130637556 is an apocalyptic number.

It is an amenable number.

130637556 is an abundant number, since it is smaller than the sum of its proper divisors (256438924).

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

130637556 is a wasteful number, since it uses less digits than its factorization.

130637556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172821 (or 172813 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 36.

The square root of 130637556 is about 11429.6787356426. The cubic root of 130637556 is about 507.4064874983.

The spelling of 130637556 in words is "one hundred thirty million, six hundred thirty-seven thousand, five hundred fifty-six".