2138439303 has 216 divisors, whose sum is σ = 4535706240. Its totient is φ = 940118400.

The previous prime is 2138439301. The next prime is 2138439311. The reversal of 2138439303 is 3039348312.

2138439303 is a `hidden beast` number, since 213 + 8 + 439 + 3 + 0 + 3 = 666.

It is not a de Polignac number, because 2138439303 - 2¹ = 2138439301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2138439301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 68981898 + ... + 68981928.

It is an arithmetic number, because the mean of its divisors is an integer number (20998640).

Almost surely, 2^2138439303 is an apocalyptic number.

2138439303 is an abundant number, since it is smaller than the sum of its proper divisors (2397266937).

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

2138439303 is a wasteful number, since it uses less digits than its factorization.

2138439303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 2138439303 is about 46243.2622443530. The cubic root of 2138439303 is about 1288.3453944184.

Subtracting 2138439303 from its reverse (3039348312), we obtain a palindrome (900909009).

The spelling of 2138439303 in words is "two billion, one hundred thirty-eight million, four hundred thirty-nine thousand, three hundred three".