8268331138 has 8 divisors (see below), whose sum is σ = 12402891900. Its totient is φ = 4134033840.

The previous prime is 8268331121. The next prime is 8268331139. The reversal of 8268331138 is 8311338628.

It can be written as a sum of positive squares in 2 ways, for example, as 8244095209 + 24235929 = 90797^2 + 4923^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 8268331094 and 8268331103.

It is not an unprimeable number, because it can be changed into a prime (8268331139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63088 + ... + 143236.

Almost surely, 2^8268331138 is an apocalyptic number.

8268331138 is a deficient number, since it is larger than the sum of its proper divisors (4134560762).

8268331138 is a wasteful number, since it uses less digits than its factorization.

8268331138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131732.

The product of its digits is 165888, while the sum is 43.

The square root of 8268331138 is about 90930.3642244987. The cubic root of 8268331138 is about 2022.1154795686.

The spelling of 8268331138 in words is "eight billion, two hundred sixty-eight million, three hundred thirty-one thousand, one hundred thirty-eight".