130920184 has 16 divisors (see below), whose sum is σ = 258395400. Its totient is φ = 62014752.

The previous prime is 130920173. The next prime is 130920187. The reversal of 130920184 is 481029031.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130920187) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 430507 + ... + 430810.

Almost surely, 2^130920184 is an apocalyptic number.

It is an amenable number.

130920184 is a deficient number, since it is larger than the sum of its proper divisors (127475216).

130920184 is a wasteful number, since it uses less digits than its factorization.

130920184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861342 (or 861338 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 130920184 is about 11442.0358328402. The cubic root of 130920184 is about 507.7721403550.

The spelling of 130920184 in words is "one hundred thirty million, nine hundred twenty thousand, one hundred eighty-four".