2634139 has 2 divisors, whose sum is σ = 2634140. Its totient is φ = 2634138.

The previous prime is 2634131. The next prime is 2634161. The reversal of 2634139 is 9314362.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2634139 - 2³ = 2634131 is a prime.

It is equal to p₁₉₂₁₈₇ and since 2634139 and 192187 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 (2634131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1317069 + 1317070.

It is an arithmetic number, because the mean of its divisors is an integer number (1317070).

2^2634139 is an apocalyptic number.

2634139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2634139 is an equidigital number, since it uses as much as digits as its factorization.

2634139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 28.

The square root of 2634139 is about 1623.0030807118. The cubic root of 2634139 is about 138.1061110647.

The spelling of 2634139 in words is "two million, six hundred thirty-four thousand, one hundred thirty-nine".