2268139 has 2 divisors, whose sum is σ = 2268140. Its totient is φ = 2268138.

The previous prime is 2268131. The next prime is 2268143. The reversal of 2268139 is 9318622.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2268139 - 2³ = 2268131 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2268139.

It is not a weakly prime, because it can be changed into another prime (2268131) 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 as a sum of consecutive naturals, namely, 1134069 + 1134070.

It is an arithmetic number, because the mean of its divisors is an integer number (1134070).

2^2268139 is an apocalyptic number.

2268139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2268139 is an equidigital number, since it uses as much as digits as its factorization.

2268139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 31.

The square root of 2268139 is about 1506.0341961589. The cubic root of 2268139 is about 131.3882582386.

The spelling of 2268139 in words is "two million, two hundred sixty-eight thousand, one hundred thirty-nine".