130815576 has 48 divisors (see below), whose sum is σ = 355314960. Its totient is φ = 43479360.

The previous prime is 130815539. The next prime is 130815577. The reversal of 130815576 is 675518031.

130815576 is a `hidden beast` number, since 1 + 3 + 0 + 81 + 5 + 576 = 666.

It is a super-2 number, since 2×130815576² = 34225429848423552, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 130815576.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130815577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24421 + ... + 29291.

It is an arithmetic number, because the mean of its divisors is an integer number (7402395).

Almost surely, 2^130815576 is an apocalyptic number.

It is an amenable number.

130815576 is an abundant number, since it is smaller than the sum of its proper divisors (224499384).

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

130815576 is a wasteful number, since it uses less digits than its factorization.

130815576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5256 (or 5249 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 130815576 is about 11437.4637048604. The cubic root of 130815576 is about 507.6368640874.

The spelling of 130815576 in words is "one hundred thirty million, eight hundred fifteen thousand, five hundred seventy-six".