130666408 has 16 divisors (see below), whose sum is σ = 245488500. Its totient is φ = 65202816.

The previous prime is 130666399. The next prime is 130666411. The reversal of 130666408 is 804666031.

It can be written as a sum of positive squares in 2 ways, for example, as 126832644 + 3833764 = 11262^2 + 1958^2 .

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, 11973 + ... + 20116.

Almost surely, 2^130666408 is an apocalyptic number.

It is an amenable number.

130666408 is a deficient number, since it is larger than the sum of its proper divisors (114822092).

130666408 is a wasteful number, since it uses less digits than its factorization.

130666408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32604 (or 32600 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 130666408 is about 11430.9408186728. The cubic root of 130666408 is about 507.4438392237.

The spelling of 130666408 in words is "one hundred thirty million, six hundred sixty-six thousand, four hundred eight".