180928134 has 32 divisors (see below), whose sum is σ = 404490240. Its totient is φ = 59945256.

The previous prime is 180928117. The next prime is 180928169. The reversal of 180928134 is 431829081.

180928134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1014 + ... + 19049.

It is an arithmetic number, because the mean of its divisors is an integer number (12640320).

Almost surely, 2^180928134 is an apocalyptic number.

180928134 is an abundant number, since it is smaller than the sum of its proper divisors (223562106).

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

180928134 is a wasteful number, since it uses less digits than its factorization.

180928134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20241 (or 20235 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 180928134 is about 13450.9529030474. The cubic root of 180928134 is about 565.5904069236.

The spelling of 180928134 in words is "one hundred eighty million, nine hundred twenty-eight thousand, one hundred thirty-four".