2552042139 has 8 divisors (see below), whose sum is σ = 3403259472. Its totient is φ = 1701093120.

The previous prime is 2552042123. The next prime is 2552042147. The reversal of 2552042139 is 9312402552.

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

It is not a de Polignac number, because 2552042139 - 2⁴ = 2552042123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2552042189) 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, 43722 + ... + 83759.

It is an arithmetic number, because the mean of its divisors is an integer number (425407434).

Almost surely, 2^2552042139 is an apocalyptic number.

2552042139 is a deficient number, since it is larger than the sum of its proper divisors (851217333).

2552042139 is a wasteful number, since it uses less digits than its factorization.

2552042139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134157.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 2552042139 is about 50517.7408342851. The cubic root of 2552042139 is about 1366.5618119898.

The spelling of 2552042139 in words is "two billion, five hundred fifty-two million, forty-two thousand, one hundred thirty-nine".