130236880 has 40 divisors (see below), whose sum is σ = 304165800. Its totient is φ = 51859968.

The previous prime is 130236863. The next prime is 130236889. The reversal of 130236880 is 88632031.

It can be written as a sum of positive squares in 4 ways, for example, as 18215824 + 112021056 = 4268^2 + 10584^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130236889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14766 + ... + 21874.

It is an arithmetic number, because the mean of its divisors is an integer number (7604145).

Almost surely, 2^130236880 is an apocalyptic number.

130236880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130236880 is an abundant number, since it is smaller than the sum of its proper divisors (173928920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130236880 is a wasteful number, since it uses less digits than its factorization.

130236880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7351 (or 7345 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 130236880 is about 11412.1373984018. The cubic root of 130236880 is about 506.8872039311.

The spelling of 130236880 in words is "one hundred thirty million, two hundred thirty-six thousand, eight hundred eighty".