2138113362 has 64 divisors (see below), whose sum is σ = 5339188224. Its totient is φ = 554543040.

The previous prime is 2138113357. The next prime is 2138113391. The reversal of 2138113362 is 2633118312.

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, 354133 + ... + 360119.

It is an arithmetic number, because the mean of its divisors is an integer number (83424816).

Almost surely, 2^2138113362 is an apocalyptic number.

2138113362 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2138113362, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2669594112).

2138113362 is an abundant number, since it is smaller than the sum of its proper divisors (3201074862).

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

2138113362 is a wasteful number, since it uses less digits than its factorization.

2138113362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6783.

The product of its digits is 5184, while the sum is 30.

The square root of 2138113362 is about 46239.7379101569. The cubic root of 2138113362 is about 1288.2799345411.

It can be divided in two parts, 21381 and 13362, that added together give a palindrome (34743).

The spelling of 2138113362 in words is "two billion, one hundred thirty-eight million, one hundred thirteen thousand, three hundred sixty-two".