318980189 has 16 divisors (see below), whose sum is σ = 367018560. Its totient is φ = 274176000.

The previous prime is 318980177. The next prime is 318980213. The reversal of 318980189 is 981089813.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 318980189 - 2¹² = 318976093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318980159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132779 + ... + 135159.

It is an arithmetic number, because the mean of its divisors is an integer number (22938660).

Almost surely, 2^318980189 is an apocalyptic number.

It is an amenable number.

318980189 is a deficient number, since it is larger than the sum of its proper divisors (48038371).

318980189 is a wasteful number, since it uses less digits than its factorization.

318980189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3052.

The product of its (nonzero) digits is 124416, while the sum is 47.

The square root of 318980189 is about 17860.0164893541. The cubic root of 318980189 is about 683.2630003095.

The spelling of 318980189 in words is "three hundred eighteen million, nine hundred eighty thousand, one hundred eighty-nine".