138013803 has 24 divisors (see below), whose sum is σ = 214671600. Its totient is φ = 85123584.

The previous prime is 138013787. The next prime is 138013807. The reversal of 138013803 is 308310831.

It is not a de Polignac number, because 138013803 - 2⁴ = 138013787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (138013807) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1383 + ... + 16671.

It is an arithmetic number, because the mean of its divisors is an integer number (8944650).

Almost surely, 2^138013803 is an apocalyptic number.

138013803 is a deficient number, since it is larger than the sum of its proper divisors (76657797).

138013803 is a wasteful number, since it uses less digits than its factorization.

138013803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15371 (or 15368 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 138013803 is about 11747.9276044756. The cubic root of 138013803 is about 516.7821539041.

The spelling of 138013803 in words is "one hundred thirty-eight million, thirteen thousand, eight hundred three".