2139056522 has 4 divisors (see below), whose sum is σ = 3208584786. Its totient is φ = 1069528260.

The previous prime is 2139056471. The next prime is 2139056531. The reversal of 2139056522 is 2256509312.

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

It can be written as a sum of positive squares in only one way, i.e., 2015201881 + 123854641 = 44891^2 + 11129^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534764129 + ... + 534764132.

Almost surely, 2^2139056522 is an apocalyptic number.

2139056522 is a deficient number, since it is larger than the sum of its proper divisors (1069528264).

2139056522 is a wasteful number, since it uses less digits than its factorization.

2139056522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069528263.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 2139056522 is about 46249.9353729278. The cubic root of 2139056522 is about 1288.4693344591.

The spelling of 2139056522 in words is "two billion, one hundred thirty-nine million, fifty-six thousand, five hundred twenty-two".