139103203 has 2 divisors, whose sum is σ = 139103204. Its totient is φ = 139103202.

The previous prime is 139103191. The next prime is 139103207. The reversal of 139103203 is 302301931.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-139103203 is a prime.

It is not a weakly prime, because it can be changed into another prime (139103207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69551601 + 69551602.

It is an arithmetic number, because the mean of its divisors is an integer number (69551602).

Almost surely, 2^139103203 is an apocalyptic number.

139103203 is a deficient number, since it is larger than the sum of its proper divisors (1).

139103203 is an equidigital number, since it uses as much as digits as its factorization.

139103203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 22.

The square root of 139103203 is about 11794.2020925538. The cubic root of 139103203 is about 518.1383169438.

The spelling of 139103203 in words is "one hundred thirty-nine million, one hundred three thousand, two hundred three".