130005604 has 9 divisors (see below), whose sum is σ = 227549721. Its totient is φ = 64991400.

The previous prime is 130005587. The next prime is 130005607. The reversal of 130005604 is 406500031.

The square root of 130005604 is 11402.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 110292004 + 19713600 = 10502^2 + 4440^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130005607) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 19954 + ... + 25654.

Almost surely, 2^130005604 is an apocalyptic number.

130005604 is the 11402-nd square number.

It is an amenable number.

130005604 is a deficient number, since it is larger than the sum of its proper divisors (97544117).

130005604 is an frugal number, since it uses more digits than its factorization.

130005604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11406 (or 5703 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The cubic root of 130005604 is about 506.5869809661.

Adding to 130005604 its reverse (406500031), we get a palindrome (536505635).

The spelling of 130005604 in words is "one hundred thirty million, five thousand, six hundred four".