130432165 has 4 divisors (see below), whose sum is σ = 156518604. Its totient is φ = 104345728.

The previous prime is 130432163. The next prime is 130432187. The reversal of 130432165 is 561234031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 81739681 + 48692484 = 9041^2 + 6978^2 .

It is a cyclic number.

It is not a de Polignac number, because 130432165 - 2¹ = 130432163 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130432163) 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, 13043212 + ... + 13043221.

It is an arithmetic number, because the mean of its divisors is an integer number (39129651).

Almost surely, 2^130432165 is an apocalyptic number.

It is an amenable number.

130432165 is a deficient number, since it is larger than the sum of its proper divisors (26086439).

130432165 is an equidigital number, since it uses as much as digits as its factorization.

130432165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26086438.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 130432165 is about 11420.6902155693. The cubic root of 130432165 is about 507.1404297784.

Adding to 130432165 its reverse (561234031), we get a palindrome (691666196).

The spelling of 130432165 in words is "one hundred thirty million, four hundred thirty-two thousand, one hundred sixty-five".