130891345 has 24 divisors (see below), whose sum is σ = 171182592. Its totient is φ = 96033600.

The previous prime is 130891339. The next prime is 130891357. The reversal of 130891345 is 543198031.

It is not a de Polignac number, because 130891345 - 2³ = 130891337 is a prime.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 130891345.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 160990 + ... + 161800.

It is an arithmetic number, because the mean of its divisors is an integer number (7132608).

Almost surely, 2^130891345 is an apocalyptic number.

It is an amenable number.

130891345 is a deficient number, since it is larger than the sum of its proper divisors (40291247).

130891345 is a wasteful number, since it uses less digits than its factorization.

130891345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033 (or 1020 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 130891345 is about 11440.7755418940. The cubic root of 130891345 is about 507.7348537282.

The spelling of 130891345 in words is "one hundred thirty million, eight hundred ninety-one thousand, three hundred forty-five".