2539136460 has 96 divisors (see below), whose sum is σ = 8298178560. Its totient is φ = 568021248.

The previous prime is 2539136419. The next prime is 2539136477. The reversal of 2539136460 is 646319352.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44575 + ... + 84054.

It is an arithmetic number, because the mean of its divisors is an integer number (86439360).

Almost surely, 2^2539136460 is an apocalyptic number.

2539136460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2539136460 is an abundant number, since it is smaller than the sum of its proper divisors (5759042100).

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

2539136460 is a wasteful number, since it uses less digits than its factorization.

2539136460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128695 (or 128693 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 39.

The square root of 2539136460 is about 50389.8448102393. The cubic root of 2539136460 is about 1364.2543499612.

The spelling of 2539136460 in words is "two billion, five hundred thirty-nine million, one hundred thirty-six thousand, four hundred sixty".