2138332122 has 80 divisors (see below), whose sum is σ = 5023130112. Its totient is φ = 679129920.

The previous prime is 2138332093. The next prime is 2138332123. The reversal of 2138332122 is 2212338312.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2138332123) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 281863 + ... + 289349.

Almost surely, 2^2138332122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2138332122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2511565056).

2138332122 is an abundant number, since it is smaller than the sum of its proper divisors (2884797990).

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

2138332122 is a wasteful number, since it uses less digits than its factorization.

2138332122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7585 (or 7576 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 2138332122 is about 46242.1033474906. The cubic root of 2138332122 is about 1288.3238696153.

The spelling of 2138332122 in words is "two billion, one hundred thirty-eight million, three hundred thirty-two thousand, one hundred twenty-two".