2316139 has 4 divisors (see below), whose sum is σ = 2647024. Its totient is φ = 1985256.

The previous prime is 2316133. The next prime is 2316151. The reversal of 2316139 is 9316132.

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

It is not a de Polignac number, because 2316139 - 2⁵ = 2316107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2316133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165432 + ... + 165445.

It is an arithmetic number, because the mean of its divisors is an integer number (661756).

2^2316139 is an apocalyptic number.

2316139 is a deficient number, since it is larger than the sum of its proper divisors (330885).

2316139 is an equidigital number, since it uses as much as digits as its factorization.

2316139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330884.

The product of its digits is 972, while the sum is 25.

The square root of 2316139 is about 1521.8866580662. The cubic root of 2316139 is about 132.3086403445.

The spelling of 2316139 in words is "two million, three hundred sixteen thousand, one hundred thirty-nine".