2302139 has 16 divisors (see below), whose sum is σ = 2795520. Its totient is φ = 1853280.

The previous prime is 2302117. The next prime is 2302151. The reversal of 2302139 is 9312032.

It is a cyclic number.

It is not a de Polignac number, because 2302139 - 2⁸ = 2301883 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2302139.

It is not an unprimeable number, because it can be changed into a prime (2302159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12629 + ... + 12809.

It is an arithmetic number, because the mean of its divisors is an integer number (174720).

2^2302139 is an apocalyptic number.

2302139 is a deficient number, since it is larger than the sum of its proper divisors (493381).

2302139 is a wasteful number, since it uses less digits than its factorization.

2302139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 2302139 is about 1517.2801323421. The cubic root of 2302139 is about 132.0415196907.

The spelling of 2302139 in words is "two million, three hundred two thousand, one hundred thirty-nine".