2138922336 has 24 divisors (see below), whose sum is σ = 5614671384. Its totient is φ = 712974080.

The previous prime is 2138922311. The next prime is 2138922341. The reversal of 2138922336 is 6332298312.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 2138922294 and 2138922303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11140125 + ... + 11140316.

It is an arithmetic number, because the mean of its divisors is an integer number (233944641).

Almost surely, 2^2138922336 is an apocalyptic number.

It is an amenable number.

2138922336 is an abundant number, since it is smaller than the sum of its proper divisors (3475749048).

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

2138922336 is a wasteful number, since it uses less digits than its factorization.

2138922336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22280454 (or 22280446 counting only the distinct ones).

The product of its digits is 93312, while the sum is 39.

The square root of 2138922336 is about 46248.4846886901. The cubic root of 2138922336 is about 1288.4423914027.

The spelling of 2138922336 in words is "two billion, one hundred thirty-eight million, nine hundred twenty-two thousand, three hundred thirty-six".