130187169 has 30 divisors (see below), whose sum is σ = 226235394. Its totient is φ = 74390400.

The previous prime is 130187149. The next prime is 130187179. The reversal of 130187169 is 961781031.

It can be written as a sum of positive squares in only one way, i.e., 90497169 + 39690000 = 9513^2 + 6300^2 .

It is not a de Polignac number, because 130187169 - 2⁵ = 130187137 is a prime.

It is a super-2 number, since 2×130187169² = 33897397944469122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (130187129) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 12432 + ... + 20369.

Almost surely, 2^130187169 is an apocalyptic number.

It is an amenable number.

130187169 is a deficient number, since it is larger than the sum of its proper divisors (96048225).

130187169 is an equidigital number, since it uses as much as digits as its factorization.

130187169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32827 (or 32811 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 130187169 is about 11409.9592023810. The cubic root of 130187169 is about 506.8227033163.

The spelling of 130187169 in words is "one hundred thirty million, one hundred eighty-seven thousand, one hundred sixty-nine".