3108139 has 2 divisors, whose sum is σ = 3108140. Its totient is φ = 3108138.

The previous prime is 3108109. The next prime is 3108163. The reversal of 3108139 is 9318013.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3108139 - 2¹¹ = 3106091 is a prime.

It is not a weakly prime, because it can be changed into another prime (3108109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1554069 + 1554070.

It is an arithmetic number, because the mean of its divisors is an integer number (1554070).

Almost surely, 2^3108139 is an apocalyptic number.

3108139 is a deficient number, since it is larger than the sum of its proper divisors (1).

3108139 is an equidigital number, since it uses as much as digits as its factorization.

3108139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 3108139 is about 1762.9914917549. The cubic root of 3108139 is about 145.9374693130.

The spelling of 3108139 in words is "three million, one hundred eight thousand, one hundred thirty-nine".