138203373 has 24 divisors (see below), whose sum is σ = 233845920. Its totient is φ = 71793120.

The previous prime is 138203341. The next prime is 138203411. The reversal of 138203373 is 373302831.

138203373 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 138203373 - 2⁵ = 138203341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 138203373.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138203773) 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, 41118 + ... + 44351.

It is an arithmetic number, because the mean of its divisors is an integer number (9743580).

Almost surely, 2^138203373 is an apocalyptic number.

It is an amenable number.

138203373 is a deficient number, since it is larger than the sum of its proper divisors (95642547).

138203373 is a wasteful number, since it uses less digits than its factorization.

138203373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85497 (or 85490 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 138203373 is about 11755.9930673678. The cubic root of 138203373 is about 517.0186557873.

The spelling of 138203373 in words is "one hundred thirty-eight million, two hundred three thousand, three hundred seventy-three".