8136999268 has 24 divisors (see below), whose sum is σ = 14570704512. Its totient is φ = 3974274144.

The previous prime is 8136999253. The next prime is 8136999281. The reversal of 8136999268 is 8629996318.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56946 + ... + 139702.

It is an arithmetic number, because the mean of its divisors is an integer number (607112688).

Almost surely, 2^8136999268 is an apocalyptic number.

It is an amenable number.

8136999268 is a deficient number, since it is larger than the sum of its proper divisors (6433705244).

8136999268 is a wasteful number, since it uses less digits than its factorization.

8136999268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83331 (or 83329 counting only the distinct ones).

The product of its digits is 10077696, while the sum is 61.

The square root of 8136999268 is about 90205.3172933835. The cubic root of 8136999268 is about 2011.3520492450.

The spelling of 8136999268 in words is "eight billion, one hundred thirty-six million, nine hundred ninety-nine thousand, two hundred sixty-eight".