130240232 has 8 divisors (see below), whose sum is σ = 244200450. Its totient is φ = 65120112.

The previous prime is 130240219. The next prime is 130240261. The reversal of 130240232 is 232042031.

It can be written as a sum of positive squares in only one way, i.e., 129367876 + 872356 = 11374^2 + 934^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 130240232.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8140007 + ... + 8140022.

Almost surely, 2^130240232 is an apocalyptic number.

It is an amenable number.

130240232 is a deficient number, since it is larger than the sum of its proper divisors (113960218).

130240232 is a wasteful number, since it uses less digits than its factorization.

130240232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16280035 (or 16280031 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 130240232 is about 11412.2842586399. The cubic root of 130240232 is about 506.8915526003.

Adding to 130240232 its reverse (232042031), we get a palindrome (362282263).

The spelling of 130240232 in words is "one hundred thirty million, two hundred forty thousand, two hundred thirty-two".