130432665 has 16 divisors (see below), whose sum is σ = 227664576. Its totient is φ = 63240000.

The previous prime is 130432651. The next prime is 130432669. The reversal of 130432665 is 566234031.

It is not a de Polignac number, because 130432665 - 2⁴ = 130432649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130432669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 395086 + ... + 395415.

It is an arithmetic number, because the mean of its divisors is an integer number (14229036).

Almost surely, 2^130432665 is an apocalyptic number.

130432665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130432665 is a deficient number, since it is larger than the sum of its proper divisors (97231911).

130432665 is a wasteful number, since it uses less digits than its factorization.

130432665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790520.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 130432665 is about 11420.7121056439. The cubic root of 130432665 is about 507.1410778033.

Adding to 130432665 its reverse (566234031), we get a palindrome (696666696).

The spelling of 130432665 in words is "one hundred thirty million, four hundred thirty-two thousand, six hundred sixty-five".