2599139 has 8 divisors (see below), whose sum is σ = 2690400. Its totient is φ = 2509056.

The previous prime is 2599117. The next prime is 2599141. The reversal of 2599139 is 9319952.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2599139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2599109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7187 + ... + 7539.

It is an arithmetic number, because the mean of its divisors is an integer number (336300).

2^2599139 is an apocalyptic number.

2599139 is a deficient number, since it is larger than the sum of its proper divisors (91261).

2599139 is a wasteful number, since it uses less digits than its factorization.

2599139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589.

The product of its digits is 21870, while the sum is 38.

The square root of 2599139 is about 1612.1845427866. The cubic root of 2599139 is about 137.4917063868.

The spelling of 2599139 in words is "two million, five hundred ninety-nine thousand, one hundred thirty-nine".