6312139 has 2 divisors, whose sum is σ = 6312140. Its totient is φ = 6312138.

The previous prime is 6312133. The next prime is 6312157. The reversal of 6312139 is 9312136.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6312139 - 2¹⁹ = 5787851 is a prime.

6312139 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (6312133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3156069 + 3156070.

It is an arithmetic number, because the mean of its divisors is an integer number (3156070).

Almost surely, 2^6312139 is an apocalyptic number.

6312139 is a deficient number, since it is larger than the sum of its proper divisors (1).

6312139 is an equidigital number, since it uses as much as digits as its factorization.

6312139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 972, while the sum is 25.

The square root of 6312139 is about 2512.3970625679. The cubic root of 6312139 is about 184.8100216794.

The spelling of 6312139 in words is "six million, three hundred twelve thousand, one hundred thirty-nine".