813130604 has 48 divisors (see below), whose sum is σ = 1770110496. Its totient is φ = 321100800.

The previous prime is 813130579. The next prime is 813130607. The reversal of 813130604 is 406031318.

It is a super-2 number, since 2×813130604² = 1322362758322809632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (813130607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32087 + ... + 51534.

It is an arithmetic number, because the mean of its divisors is an integer number (36877302).

Almost surely, 2^813130604 is an apocalyptic number.

It is an amenable number.

813130604 is an abundant number, since it is smaller than the sum of its proper divisors (956979892).

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

813130604 is a wasteful number, since it uses less digits than its factorization.

813130604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83666 (or 83664 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 813130604 is about 28515.4450079251. The cubic root of 813130604 is about 933.3691356448.

The spelling of 813130604 in words is "eight hundred thirteen million, one hundred thirty thousand, six hundred four".