130555165 has 16 divisors (see below), whose sum is σ = 171905328. Its totient is φ = 94588416.

The previous prime is 130555133. The next prime is 130555177. The reversal of 130555165 is 561555031.

It can be written as a sum of positive squares in 8 ways, for example, as 29713401 + 100841764 = 5451^2 + 10042^2 .

It is not a de Polignac number, because 130555165 - 2⁵ = 130555133 is a prime.

It is a super-2 number, since 2×130555165² = 34089302216354450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15504 + ... + 22393.

It is an arithmetic number, because the mean of its divisors is an integer number (10744083).

Almost surely, 2^130555165 is an apocalyptic number.

It is an amenable number.

130555165 is a deficient number, since it is larger than the sum of its proper divisors (41350163).

130555165 is a wasteful number, since it uses less digits than its factorization.

130555165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37968.

The product of its (nonzero) digits is 11250, while the sum is 31.

The square root of 130555165 is about 11426.0739101408. The cubic root of 130555165 is about 507.2997940353.

The spelling of 130555165 in words is "one hundred thirty million, five hundred fifty-five thousand, one hundred sixty-five".