6960139 has 2 divisors, whose sum is σ = 6960140. Its totient is φ = 6960138.

The previous prime is 6960133. The next prime is 6960167. The reversal of 6960139 is 9310696.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6960139 is a prime.

It is not a weakly prime, because it can be changed into another prime (6960133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3480069 + 3480070.

It is an arithmetic number, because the mean of its divisors is an integer number (3480070).

Almost surely, 2^6960139 is an apocalyptic number.

6960139 is a deficient number, since it is larger than the sum of its proper divisors (1).

6960139 is an equidigital number, since it uses as much as digits as its factorization.

6960139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 34.

The square root of 6960139 is about 2638.2075354301. The cubic root of 6960139 is about 190.9293252036.

The spelling of 6960139 in words is "six million, nine hundred sixty thousand, one hundred thirty-nine".