2559139 has 8 divisors (see below), whose sum is σ = 2826432. Its totient is φ = 2297640.

The previous prime is 2559131. The next prime is 2559149. The reversal of 2559139 is 9319552.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2559139 - 2³ = 2559131 is a prime.

It is a Duffinian number.

2559139 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2559131) 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, 489 + ... + 2314.

It is an arithmetic number, because the mean of its divisors is an integer number (353304).

2^2559139 is an apocalyptic number.

2559139 is a deficient number, since it is larger than the sum of its proper divisors (267293).

2559139 is a wasteful number, since it uses less digits than its factorization.

2559139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2897.

The product of its digits is 12150, while the sum is 34.

The square root of 2559139 is about 1599.7309148729. The cubic root of 2559139 is about 136.7827376677.

The spelling of 2559139 in words is "two million, five hundred fifty-nine thousand, one hundred thirty-nine".