180904313 has 8 divisors (see below), whose sum is σ = 187723776. Its totient is φ = 174146400.

The previous prime is 180904309. The next prime is 180904331. The reversal of 180904313 is 313409081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 180904313 - 2² = 180904309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (180904303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9356 + ... + 21197.

It is an arithmetic number, because the mean of its divisors is an integer number (23465472).

Almost surely, 2^180904313 is an apocalyptic number.

It is an amenable number.

180904313 is a deficient number, since it is larger than the sum of its proper divisors (6819463).

180904313 is a wasteful number, since it uses less digits than its factorization.

180904313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30775.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 180904313 is about 13450.0673976007. The cubic root of 180904313 is about 565.5655839545.

The spelling of 180904313 in words is "one hundred eighty million, nine hundred four thousand, three hundred thirteen".