130508165 has 8 divisors (see below), whose sum is σ = 158224920. Its totient is φ = 103329792.

The previous prime is 130508137. The next prime is 130508173. The reversal of 130508165 is 561805031.

It can be written as a sum of positive squares in 4 ways, for example, as 28376929 + 102131236 = 5327^2 + 10106^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130508165 is a prime.

It is a super-2 number, since 2×130508165² = 34064762263334450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134060 + ... + 135029.

It is an arithmetic number, because the mean of its divisors is an integer number (19778115).

Almost surely, 2^130508165 is an apocalyptic number.

It is an amenable number.

130508165 is a deficient number, since it is larger than the sum of its proper divisors (27716755).

130508165 is an equidigital number, since it uses as much as digits as its factorization.

130508165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269191.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 130508165 is about 11424.0170255475. The cubic root of 130508165 is about 507.2389105713.

The spelling of 130508165 in words is "one hundred thirty million, five hundred eight thousand, one hundred sixty-five".