8716139 has 4 divisors (see below), whose sum is σ = 8730840. Its totient is φ = 8701440.

The previous prime is 8716109. The next prime is 8716151. The reversal of 8716139 is 9316178.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8716139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8716099 and 8716108.

It is not an unprimeable number, because it can be changed into a prime (8716109) 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, 6422 + ... + 7659.

It is an arithmetic number, because the mean of its divisors is an integer number (2182710).

Almost surely, 2^8716139 is an apocalyptic number.

8716139 is a deficient number, since it is larger than the sum of its proper divisors (14701).

8716139 is a wasteful number, since it uses less digits than its factorization.

8716139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14700.

The product of its digits is 9072, while the sum is 35.

The square root of 8716139 is about 2952.3107898729. The cubic root of 8716139 is about 205.7981102435.

The spelling of 8716139 in words is "eight million, seven hundred sixteen thousand, one hundred thirty-nine".