8936139 has 4 divisors (see below), whose sum is σ = 11914856. Its totient is φ = 5957424.

The previous prime is 8936119. The next prime is 8936141. The reversal of 8936139 is 9316398.

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

It is not a de Polignac number, because 8936139 - 2⁵ = 8936107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8936097 and 8936106.

It is not an unprimeable number, because it can be changed into a prime (8936119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1489354 + ... + 1489359.

It is an arithmetic number, because the mean of its divisors is an integer number (2978714).

Almost surely, 2^8936139 is an apocalyptic number.

8936139 is a deficient number, since it is larger than the sum of its proper divisors (2978717).

8936139 is a wasteful number, since it uses less digits than its factorization.

8936139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2978716.

The product of its digits is 34992, while the sum is 39.

The square root of 8936139 is about 2989.3375520339. The cubic root of 8936139 is about 207.5152279916.

The spelling of 8936139 in words is "eight million, nine hundred thirty-six thousand, one hundred thirty-nine".