1338790203 has 24 divisors (see below), whose sum is σ = 1988251200. Its totient is φ = 867452544.

The previous prime is 1338790163. The next prime is 1338790207. The reversal of 1338790203 is 3020978331.

It is a happy number.

It is not a de Polignac number, because 1338790203 - 2⁶ = 1338790139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1338790207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 427678 + ... + 430796.

It is an arithmetic number, because the mean of its divisors is an integer number (82843800).

Almost surely, 2^1338790203 is an apocalyptic number.

1338790203 is a deficient number, since it is larger than the sum of its proper divisors (649460997).

1338790203 is a wasteful number, since it uses less digits than its factorization.

1338790203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4451 (or 4448 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 1338790203 is about 36589.4821362642. The cubic root of 1338790203 is about 1102.1418881031.

The spelling of 1338790203 in words is "one billion, three hundred thirty-eight million, seven hundred ninety thousand, two hundred three".