3118139 has 2 divisors, whose sum is σ = 3118140. Its totient is φ = 3118138.

The previous prime is 3118099. The next prime is 3118151. The reversal of 3118139 is 9318113.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3118139 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3118169) 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, 1559069 + 1559070.

It is an arithmetic number, because the mean of its divisors is an integer number (1559070).

Almost surely, 2^3118139 is an apocalyptic number.

3118139 is a deficient number, since it is larger than the sum of its proper divisors (1).

3118139 is an equidigital number, since it uses as much as digits as its factorization.

3118139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 26.

The square root of 3118139 is about 1765.8253027975. The cubic root of 3118139 is about 146.0938128542.

Subtracting from 3118139 its sum of digits (26), we obtain a palindrome (3118113).

The spelling of 3118139 in words is "three million, one hundred eighteen thousand, one hundred thirty-nine".