5398139 has 2 divisors, whose sum is σ = 5398140. Its totient is φ = 5398138.

The previous prime is 5398093. The next prime is 5398171. The reversal of 5398139 is 9318935.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5398139 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5398199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2699069 + 2699070.

It is an arithmetic number, because the mean of its divisors is an integer number (2699070).

Almost surely, 2^5398139 is an apocalyptic number.

5398139 is a deficient number, since it is larger than the sum of its proper divisors (1).

5398139 is an equidigital number, since it uses as much as digits as its factorization.

5398139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29160, while the sum is 38.

The square root of 5398139 is about 2323.3895497742. The cubic root of 5398139 is about 175.4209079141.

The spelling of 5398139 in words is "five million, three hundred ninety-eight thousand, one hundred thirty-nine".