319216149 has 24 divisors (see below), whose sum is σ = 549873792. Its totient is φ = 174477600.

The previous prime is 319216129. The next prime is 319216159. The reversal of 319216149 is 941612913.

It is a happy number.

319216149 is a `hidden beast` number, since 3 + 19 + 21 + 614 + 9 = 666.

It is not a de Polignac number, because 319216149 - 2¹⁶ = 319150613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (319216109) 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 23 ways as a sum of consecutive naturals, for example, 108702 + ... + 111599.

It is an arithmetic number, because the mean of its divisors is an integer number (22911408).

Almost surely, 2^319216149 is an apocalyptic number.

It is an amenable number.

319216149 is a deficient number, since it is larger than the sum of its proper divisors (230657643).

319216149 is a wasteful number, since it uses less digits than its factorization.

319216149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220337 (or 220334 counting only the distinct ones).

The product of its digits is 11664, while the sum is 36.

The square root of 319216149 is about 17866.6210851409. The cubic root of 319216149 is about 683.4314360573.

The spelling of 319216149 in words is "three hundred nineteen million, two hundred sixteen thousand, one hundred forty-nine".