2702506139 has 2 divisors, whose sum is σ = 2702506140. Its totient is φ = 2702506138.

The previous prime is 2702506129. The next prime is 2702506193. The reversal of 2702506139 is 9316052072.

Together with next prime (2702506193) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2702506139 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 2702506099 and 2702506108.

It is not a weakly prime, because it can be changed into another prime (2702506109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1351253069 + 1351253070.

It is an arithmetic number, because the mean of its divisors is an integer number (1351253070).

Almost surely, 2^2702506139 is an apocalyptic number.

2702506139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2702506139 is an equidigital number, since it uses as much as digits as its factorization.

2702506139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 2702506139 is about 51985.6339674722. The cubic root of 2702506139 is about 1392.9073489568.

The spelling of 2702506139 in words is "two billion, seven hundred two million, five hundred six thousand, one hundred thirty-nine".