130165965 has 12 divisors (see below), whose sum is σ = 225621084. Its totient is φ = 69421824.

The previous prime is 130165961. The next prime is 130165999. The reversal of 130165965 is 569561031.

It can be written as a sum of positive squares in 2 ways, for example, as 37197801 + 92968164 = 6099^2 + 9642^2 .

It is not a de Polignac number, because 130165965 - 2² = 130165961 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130165961) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1446244 + ... + 1446333.

It is an arithmetic number, because the mean of its divisors is an integer number (18801757).

Almost surely, 2^130165965 is an apocalyptic number.

130165965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130165965 is a deficient number, since it is larger than the sum of its proper divisors (95455119).

130165965 is a wasteful number, since it uses less digits than its factorization.

130165965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2892588 (or 2892585 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The square root of 130165965 is about 11409.0299762951. The cubic root of 130165965 is about 506.7951858782.

It can be divided in two parts, 13016 and 5965, that added together give a palindrome (18981).

The spelling of 130165965 in words is "one hundred thirty million, one hundred sixty-five thousand, nine hundred sixty-five".