2539139106 has 32 divisors (see below), whose sum is σ = 5815710720. Its totient is φ = 723972816.

The previous prime is 2539139087. The next prime is 2539139111. The reversal of 2539139106 is 6019319352.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41616 + ... + 82523.

It is an arithmetic number, because the mean of its divisors is an integer number (181740960).

Almost surely, 2^2539139106 is an apocalyptic number.

2539139106 is an abundant number, since it is smaller than the sum of its proper divisors (3276571614).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2539139106 is a wasteful number, since it uses less digits than its factorization.

2539139106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124638.

The product of its (nonzero) digits is 43740, while the sum is 39.

The square root of 2539139106 is about 50389.8710655227. The cubic root of 2539139106 is about 1364.2548238514.

The spelling of 2539139106 in words is "two billion, five hundred thirty-nine million, one hundred thirty-nine thousand, one hundred six".