130181032 has 8 divisors (see below), whose sum is σ = 244089450. Its totient is φ = 65090512.

The previous prime is 130180993. The next prime is 130181033. The reversal of 130181032 is 230181031.

130181032 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 121572676 + 8608356 = 11026^2 + 2934^2 .

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

It is not an unprimeable number, because it can be changed into a prime (130181033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8136307 + ... + 8136322.

Almost surely, 2^130181032 is an apocalyptic number.

It is an amenable number.

130181032 is a deficient number, since it is larger than the sum of its proper divisors (113908418).

130181032 is a wasteful number, since it uses less digits than its factorization.

130181032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16272635 (or 16272631 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 130181032 is about 11409.6902674875. The cubic root of 130181032 is about 506.8147393472.

Subtracting 130181032 from its reverse (230181031), we obtain a palindrome (99999999).

The spelling of 130181032 in words is "one hundred thirty million, one hundred eighty-one thousand, thirty-two".