130515813 has 16 divisors (see below), whose sum is σ = 193557760. Its totient is φ = 86920128.

The previous prime is 130515809. The next prime is 130515829. The reversal of 130515813 is 318515031.

130515813 is a `hidden beast` number, since 1 + 30 + 51 + 581 + 3 = 666.

It is not a de Polignac number, because 130515813 - 2² = 130515809 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130510813) 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, 33156 + ... + 36882.

It is an arithmetic number, because the mean of its divisors is an integer number (12097360).

Almost surely, 2^130515813 is an apocalyptic number.

It is an amenable number.

130515813 is a deficient number, since it is larger than the sum of its proper divisors (63041947).

130515813 is a wasteful number, since it uses less digits than its factorization.

130515813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5033 (or 5027 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 130515813 is about 11424.3517540384. The cubic root of 130515813 is about 507.2488187315.

It can be divided in two parts, 130515 and 813, that added together give a triangular number (131328 = T₅₁₂).

The spelling of 130515813 in words is "one hundred thirty million, five hundred fifteen thousand, eight hundred thirteen".