130565556 has 36 divisors (see below), whose sum is σ = 360045504. Its totient is φ = 39565200.

The previous prime is 130565551. The next prime is 130565579. The reversal of 130565556 is 655565031.

It is a tau number, because it is divible by the number of its divisors (36).

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 130565556.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130565551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 164460 + ... + 165251.

It is an arithmetic number, because the mean of its divisors is an integer number (10001264).

Almost surely, 2^130565556 is an apocalyptic number.

It is an amenable number.

130565556 is an abundant number, since it is smaller than the sum of its proper divisors (229479948).

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

130565556 is a wasteful number, since it uses less digits than its factorization.

130565556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329732 (or 329727 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 36.

The square root of 130565556 is about 11426.5286067117. The cubic root of 130565556 is about 507.3132524900.

The spelling of 130565556 in words is "one hundred thirty million, five hundred sixty-five thousand, five hundred fifty-six".