2679139 has 2 divisors, whose sum is σ = 2679140. Its totient is φ = 2679138.

The previous prime is 2679119. The next prime is 2679143. The reversal of 2679139 is 9319762.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2679139 - 2¹⁹ = 2154851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2679098 and 2679107.

It is not a weakly prime, because it can be changed into another prime (2679119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1339569 + 1339570.

It is an arithmetic number, because the mean of its divisors is an integer number (1339570).

2^2679139 is an apocalyptic number.

2679139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2679139 is an equidigital number, since it uses as much as digits as its factorization.

2679139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20412, while the sum is 37.

The square root of 2679139 is about 1636.8075635211. The cubic root of 2679139 is about 138.8881145083. Note that the first 3 decimals are identical.

The spelling of 2679139 in words is "two million, six hundred seventy-nine thousand, one hundred thirty-nine".