6976139 has 2 divisors, whose sum is σ = 6976140. Its totient is φ = 6976138.

The previous prime is 6976127. The next prime is 6976157. The reversal of 6976139 is 9316796.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6976139 - 2⁸ = 6975883 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 6976096 and 6976105.

It is not a weakly prime, because it can be changed into another prime (6976169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3488069 + 3488070.

It is an arithmetic number, because the mean of its divisors is an integer number (3488070).

Almost surely, 2^6976139 is an apocalyptic number.

6976139 is a deficient number, since it is larger than the sum of its proper divisors (1).

6976139 is an equidigital number, since it uses as much as digits as its factorization.

6976139 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 6976139 is about 2641.2381566228. The cubic root of 6976139 is about 191.0755163136.

The spelling of 6976139 in words is "six million, nine hundred seventy-six thousand, one hundred thirty-nine".