139203 has 6 divisors (see below), whose sum is σ = 201084. Its totient is φ = 92796.

The previous prime is 139201. The next prime is 139241. The reversal of 139203 is 302931.

It is not a de Polignac number, because 139203 - 2¹ = 139201 is a prime.

139203 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 139203.

It is not an unprimeable number, because it can be changed into a prime (139201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7725 + ... + 7742.

It is an arithmetic number, because the mean of its divisors is an integer number (33514).

2¹³⁹²⁰³ is an apocalyptic number.

139203 is a deficient number, since it is larger than the sum of its proper divisors (61881).

139203 is a wasteful number, since it uses less digits than its factorization.

139203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15473 (or 15470 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 139203 is about 373.0991825239. The cubic root of 139203 is about 51.8262196882.

It can be divided in two parts, 13 and 9203, that added together give a square (9216 = 96²).

The spelling of 139203 in words is "one hundred thirty-nine thousand, two hundred three".