2719139 has 2 divisors, whose sum is σ = 2719140. Its totient is φ = 2719138.

The previous prime is 2719121. The next prime is 2719141. The reversal of 2719139 is 9319172.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2719139 - 2⁸ = 2718883 is a prime.

Together with 2719141, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2719169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1359569 + 1359570.

It is an arithmetic number, because the mean of its divisors is an integer number (1359570).

2^2719139 is an apocalyptic number.

2719139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2719139 is an equidigital number, since it uses as much as digits as its factorization.

2719139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3402, while the sum is 32.

The square root of 2719139 is about 1648.9812006206. The cubic root of 2719139 is about 139.5759105184.

The spelling of 2719139 in words is "two million, seven hundred nineteen thousand, one hundred thirty-nine".