319504149 has 16 divisors (see below), whose sum is σ = 476750400. Its totient is φ = 211467888.

The previous prime is 319504111. The next prime is 319504219. The reversal of 319504149 is 941405913.

It is a happy number.

319504149 is a `hidden beast` number, since 3 + 1 + 9 + 504 + 149 = 666.

It is not a de Polignac number, because 319504149 - 2¹² = 319500053 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (319504849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38814 + ... + 46319.

It is an arithmetic number, because the mean of its divisors is an integer number (29796900).

Almost surely, 2^319504149 is an apocalyptic number.

It is an amenable number.

319504149 is a deficient number, since it is larger than the sum of its proper divisors (157246251).

319504149 is a wasteful number, since it uses less digits than its factorization.

319504149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85281 (or 85275 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 319504149 is about 17874.6789901245. The cubic root of 319504149 is about 683.6369071677.

The spelling of 319504149 in words is "three hundred nineteen million, five hundred four thousand, one hundred forty-nine".