8018139308 has 24 divisors (see below), whose sum is σ = 15113757120. Its totient is φ = 3709737360.

The previous prime is 8018139281. The next prime is 8018139313. The reversal of 8018139308 is 8039318108.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1223498 + ... + 1230033.

It is an arithmetic number, because the mean of its divisors is an integer number (629739880).

Almost surely, 2^8018139308 is an apocalyptic number.

It is an amenable number.

8018139308 is a deficient number, since it is larger than the sum of its proper divisors (7095617812).

8018139308 is a wasteful number, since it uses less digits than its factorization.

8018139308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2453597 (or 2453595 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 41.

The square root of 8018139308 is about 89544.0634994861. The cubic root of 8018139308 is about 2001.5104679561.

The spelling of 8018139308 in words is "eight billion, eighteen million, one hundred thirty-nine thousand, three hundred eight".