316189745 has 16 divisors (see below), whose sum is σ = 393386112. Its totient is φ = 243795840.

The previous prime is 316189729. The next prime is 316189747. The reversal of 316189745 is 547981613.

It is not a de Polignac number, because 316189745 - 2⁴ = 316189729 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 316189696 and 316189705.

It is not an unprimeable number, because it can be changed into a prime (316189747) 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 15 ways as a sum of consecutive naturals, for example, 7724 + ... + 26306.

It is an arithmetic number, because the mean of its divisors is an integer number (24586632).

Almost surely, 2^316189745 is an apocalyptic number.

It is an amenable number.

316189745 is a deficient number, since it is larger than the sum of its proper divisors (77196367).

316189745 is a wasteful number, since it uses less digits than its factorization.

316189745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18712.

The product of its digits is 181440, while the sum is 44.

The square root of 316189745 is about 17781.7250288042. The cubic root of 316189745 is about 681.2647633644.

The spelling of 316189745 in words is "three hundred sixteen million, one hundred eighty-nine thousand, seven hundred forty-five".