130545872 has 10 divisors (see below), whose sum is σ = 252932658. Its totient is φ = 65272928.

The previous prime is 130545829. The next prime is 130545889. The reversal of 130545872 is 278545031.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 83978896 + 46566976 = 9164^2 + 6824^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4079543 + ... + 4079574.

Almost surely, 2^130545872 is an apocalyptic number.

It is an amenable number.

130545872 is a deficient number, since it is larger than the sum of its proper divisors (122386786).

130545872 is an equidigital number, since it uses as much as digits as its factorization.

130545872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8159125 (or 8159119 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 130545872 is about 11425.6672452859. The cubic root of 130545872 is about 507.2877571086.

The spelling of 130545872 in words is "one hundred thirty million, five hundred forty-five thousand, eight hundred seventy-two".