2534502139 has 4 divisors (see below), whose sum is σ = 2729463856. Its totient is φ = 2339540424.

The previous prime is 2534502127. The next prime is 2534502149. The reversal of 2534502139 is 9312054352.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2534502139 - 2⁵ = 2534502107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2534502149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97480839 + ... + 97480864.

It is an arithmetic number, because the mean of its divisors is an integer number (682365964).

Almost surely, 2^2534502139 is an apocalyptic number.

2534502139 is a deficient number, since it is larger than the sum of its proper divisors (194961717).

2534502139 is a wasteful number, since it uses less digits than its factorization.

2534502139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194961716.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 2534502139 is about 50343.8391364822. The cubic root of 2534502139 is about 1363.4238520026.

The spelling of 2534502139 in words is "two billion, five hundred thirty-four million, five hundred two thousand, one hundred thirty-nine".