8138319375 has 40 divisors (see below), whose sum is σ = 13577153920. Its totient is φ = 4334796000.

The previous prime is 8138319359. The next prime is 8138319389. The reversal of 8138319375 is 5739138318.

It is not a de Polignac number, because 8138319375 - 2⁴ = 8138319359 is a prime.

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 39 ways as a sum of consecutive naturals, for example, 1720764 + ... + 1725486.

It is an arithmetic number, because the mean of its divisors is an integer number (339428848).

Almost surely, 2^8138319375 is an apocalyptic number.

8138319375 is a deficient number, since it is larger than the sum of its proper divisors (5438834545).

8138319375 is an equidigital number, since it uses as much as digits as its factorization.

8138319375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5665 (or 5650 counting only the distinct ones).

The product of its digits is 544320, while the sum is 48.

The square root of 8138319375 is about 90212.6342315753. The cubic root of 8138319375 is about 2011.4608140061.

The spelling of 8138319375 in words is "eight billion, one hundred thirty-eight million, three hundred nineteen thousand, three hundred seventy-five".