2138050304 has 72 divisors (see below), whose sum is σ = 4694168640. Its totient is φ = 965726208.

The previous prime is 2138050273. The next prime is 2138050309. The reversal of 2138050304 is 4030508312.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2138050309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149582 + ... + 163250.

Almost surely, 2^2138050304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2138050304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2347084320).

2138050304 is an abundant number, since it is smaller than the sum of its proper divisors (2556118336).

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

2138050304 is a wasteful number, since it uses less digits than its factorization.

2138050304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13745 (or 13731 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 2138050304 is about 46239.0560457283. The cubic root of 2138050304 is about 1288.2672696132.

Adding to 2138050304 its reverse (4030508312), we get a palindrome (6168558616).

The spelling of 2138050304 in words is "two billion, one hundred thirty-eight million, fifty thousand, three hundred four".