130818765 has 64 divisors (see below), whose sum is σ = 262766592. Its totient is φ = 53990400.

The previous prime is 130818703. The next prime is 130818767. The reversal of 130818765 is 567818031.

It is not a de Polignac number, because 130818765 - 2⁷ = 130818637 is a prime.

It is a super-2 number, since 2×130818765² = 34227098552250450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130818767) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 220309 + ... + 220901.

It is an arithmetic number, because the mean of its divisors is an integer number (4105728).

Almost surely, 2^130818765 is an apocalyptic number.

130818765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130818765 is an abundant number, since it is smaller than the sum of its proper divisors (131947827).

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

130818765 is a wasteful number, since it uses less digits than its factorization.

130818765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810.

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 130818765 is about 11437.6031142893. The cubic root of 130818765 is about 507.6409890824.

The spelling of 130818765 in words is "one hundred thirty million, eight hundred eighteen thousand, seven hundred sixty-five".