6136979 has 2 divisors, whose sum is σ = 6136980. Its totient is φ = 6136978.

The previous prime is 6136967. The next prime is 6136993. The reversal of 6136979 is 9796316.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6136979 - 2⁸ = 6136723 is a prime.

It is a super-2 number, since 2×6136979² = 75325022492882, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6136919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3068489 + 3068490.

It is an arithmetic number, because the mean of its divisors is an integer number (3068490).

Almost surely, 2^6136979 is an apocalyptic number.

6136979 is a deficient number, since it is larger than the sum of its proper divisors (1).

6136979 is an equidigital number, since it uses as much as digits as its factorization.

6136979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 61236, while the sum is 41.

The square root of 6136979 is about 2477.2926754827. The cubic root of 6136979 is about 183.0844862559.

The spelling of 6136979 in words is "six million, one hundred thirty-six thousand, nine hundred seventy-nine".