8816139 has 12 divisors (see below), whose sum is σ = 12760176. Its totient is φ = 5865552.

The previous prime is 8816123. The next prime is 8816191. The reversal of 8816139 is 9316188.

8816139 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8816139 - 2⁴ = 8816123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8816939) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8197 + ... + 9209.

It is an arithmetic number, because the mean of its divisors is an integer number (1063348).

Almost surely, 2^8816139 is an apocalyptic number.

8816139 is a deficient number, since it is larger than the sum of its proper divisors (3944037).

8816139 is a wasteful number, since it uses less digits than its factorization.

8816139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1986 (or 1983 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 8816139 is about 2969.1983766667. The cubic root of 8816139 is about 206.5821578979.

The spelling of 8816139 in words is "eight million, eight hundred sixteen thousand, one hundred thirty-nine".