130406556 has 48 divisors (see below), whose sum is σ = 348413184. Its totient is φ = 37188096.

The previous prime is 130406503. The next prime is 130406561. The reversal of 130406556 is 655604031.

It is a super-2 number, since 2×130406556² = 34011739695562272, 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 15 ways as a sum of consecutive naturals, for example, 56236 + ... + 58508.

It is an arithmetic number, because the mean of its divisors is an integer number (7258608).

Almost surely, 2^130406556 is an apocalyptic number.

It is an amenable number.

130406556 is an abundant number, since it is smaller than the sum of its proper divisors (218006628).

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

130406556 is a wasteful number, since it uses less digits than its factorization.

130406556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2970 (or 2968 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 130406556 is about 11419.5689936179. The cubic root of 130406556 is about 507.1072370217.

The spelling of 130406556 in words is "one hundred thirty million, four hundred six thousand, five hundred fifty-six".