6807340139 has 2 divisors, whose sum is σ = 6807340140. Its totient is φ = 6807340138.

The previous prime is 6807340129. The next prime is 6807340157. The reversal of 6807340139 is 9310437086.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6807340139 - 2⁴ = 6807340123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6807340096 and 6807340105.

It is not a weakly prime, because it can be changed into another prime (6807340129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3403670069 + 3403670070.

It is an arithmetic number, because the mean of its divisors is an integer number (3403670070).

Almost surely, 2^6807340139 is an apocalyptic number.

6807340139 is a deficient number, since it is larger than the sum of its proper divisors (1).

6807340139 is an equidigital number, since it uses as much as digits as its factorization.

6807340139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 6807340139 is about 82506.6066384990. The cubic root of 6807340139 is about 1895.2179038069.

The spelling of 6807340139 in words is "six billion, eight hundred seven million, three hundred forty thousand, one hundred thirty-nine".