130918719 has 4 divisors (see below), whose sum is σ = 174558296. Its totient is φ = 87279144.

The previous prime is 130918693. The next prime is 130918727. The reversal of 130918719 is 917819031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 917819031 = 3 ⋅305939677.

It is not a de Polignac number, because 130918719 - 2⁵ = 130918687 is a prime.

It is a super-2 number, since 2×130918719² = 34279421969201922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130918729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21819784 + ... + 21819789.

It is an arithmetic number, because the mean of its divisors is an integer number (43639574).

Almost surely, 2^130918719 is an apocalyptic number.

130918719 is a deficient number, since it is larger than the sum of its proper divisors (43639577).

130918719 is an equidigital number, since it uses as much as digits as its factorization.

130918719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43639576.

The product of its (nonzero) digits is 13608, while the sum is 39.

The square root of 130918719 is about 11441.9718143334. The cubic root of 130918719 is about 507.7702463538.

The spelling of 130918719 in words is "one hundred thirty million, nine hundred eighteen thousand, seven hundred nineteen".