319336139136 has 256 divisors, whose sum is σ = 992174400000. Its totient is φ = 90964371456.

The previous prime is 319336139119. The next prime is 319336139147. The reversal of 319336139136 is 631931633913.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45964015 + ... + 45970961.

It is an arithmetic number, because the mean of its divisors is an integer number (3875681250).

Almost surely, 2^319336139136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 319336139136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (496087200000).

319336139136 is an abundant number, since it is smaller than the sum of its proper divisors (672838260864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

319336139136 is an equidigital number, since it uses as much as digits as its factorization.

319336139136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7334 (or 7308 counting only the distinct ones).

The product of its digits is 708588, while the sum is 48.

The spelling of 319336139136 in words is "three hundred nineteen billion, three hundred thirty-six million, one hundred thirty-nine thousand, one hundred thirty-six".