2397139 has 2 divisors, whose sum is σ = 2397140. Its totient is φ = 2397138.

The previous prime is 2397133. The next prime is 2397151. The reversal of 2397139 is 9317932.

2397139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2397139 - 2⁵ = 2397107 is a prime.

It is not a weakly prime, because it can be changed into another prime (2397133) 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 as a sum of consecutive naturals, namely, 1198569 + 1198570.

It is an arithmetic number, because the mean of its divisors is an integer number (1198570).

2^2397139 is an apocalyptic number.

2397139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2397139 is an equidigital number, since it uses as much as digits as its factorization.

2397139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10206, while the sum is 34.

The square root of 2397139 is about 1548.2696793518. The cubic root of 2397139 is about 133.8333675381.

The spelling of 2397139 in words is "two million, three hundred ninety-seven thousand, one hundred thirty-nine".