2616139 has 2 divisors, whose sum is σ = 2616140. Its totient is φ = 2616138.

The previous prime is 2616071. The next prime is 2616143. The reversal of 2616139 is 9316162.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2616139 - 2¹⁹ = 2091851 is a prime.

It is equal to p₁₉₀₉₆₃ and since 2616139 and 190963 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (2616179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1308069 + 1308070.

It is an arithmetic number, because the mean of its divisors is an integer number (1308070).

2^2616139 is an apocalyptic number.

2616139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2616139 is an equidigital number, since it uses as much as digits as its factorization.

2616139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 28.

The square root of 2616139 is about 1617.4482990192. The cubic root of 2616139 is about 137.7908158885.

It can be divided in two parts, 261 and 6139, that added together give a square (6400 = 80²).

The spelling of 2616139 in words is "two million, six hundred sixteen thousand, one hundred thirty-nine".