139893203 has 4 divisors (see below), whose sum is σ = 139918680. Its totient is φ = 139867728.

The previous prime is 139893157. The next prime is 139893227. The reversal of 139893203 is 302398931.

139893203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-139893203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139898203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 725 + ... + 16742.

It is an arithmetic number, because the mean of its divisors is an integer number (34979670).

Almost surely, 2^139893203 is an apocalyptic number.

139893203 is a deficient number, since it is larger than the sum of its proper divisors (25477).

139893203 is an equidigital number, since it uses as much as digits as its factorization.

139893203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25476.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 139893203 is about 11827.6457082549. The cubic root of 139893203 is about 519.1173425992.

The spelling of 139893203 in words is "one hundred thirty-nine million, eight hundred ninety-three thousand, two hundred three".