2139480952 has 32 divisors (see below), whose sum is σ = 4590079200. Its totient is φ = 915825024.

The previous prime is 2139480947. The next prime is 2139480971. The reversal of 2139480952 is 2590849312.

It is a junction number, because it is equal to n+sod(n) for n = 2139480899 and 2139480908.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 25374 + ... + 70162.

It is an arithmetic number, because the mean of its divisors is an integer number (143439975).

Almost surely, 2^2139480952 is an apocalyptic number.

It is an amenable number.

2139480952 is an abundant number, since it is smaller than the sum of its proper divisors (2450598248).

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

2139480952 is a wasteful number, since it uses less digits than its factorization.

2139480952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45655 (or 45651 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 2139480952 is about 46254.5235841858. The cubic root of 2139480952 is about 1288.5545478648.

The spelling of 2139480952 in words is "two billion, one hundred thirty-nine million, four hundred eighty thousand, nine hundred fifty-two".