2706139 has 2 divisors, whose sum is σ = 2706140. Its totient is φ = 2706138.

The previous prime is 2706107. The next prime is 2706149. The reversal of 2706139 is 9316072.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2706139 - 2⁵ = 2706107 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2706149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1353069 + 1353070.

It is an arithmetic number, because the mean of its divisors is an integer number (1353070).

2^2706139 is an apocalyptic number.

2706139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2706139 is an equidigital number, since it uses as much as digits as its factorization.

2706139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 2706139 is about 1645.0346500910. The cubic root of 2706139 is about 139.3531211006.

The spelling of 2706139 in words is "two million, seven hundred six thousand, one hundred thirty-nine".