2016139 has 2 divisors, whose sum is σ = 2016140. Its totient is φ = 2016138.

The previous prime is 2016137. The next prime is 2016181. The reversal of 2016139 is 9316102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2016139 - 2¹ = 2016137 is a prime.

Together with 2016137, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2016137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1008069 + 1008070.

It is an arithmetic number, because the mean of its divisors is an integer number (1008070).

2^2016139 is an apocalyptic number.

2016139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2016139 is an equidigital number, since it uses as much as digits as its factorization.

2016139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 2016139 is about 1419.9080956175. The cubic root of 2016139 is about 126.3300952395.

The spelling of 2016139 in words is "two million, sixteen thousand, one hundred thirty-nine".