139902203 has 12 divisors (see below), whose sum is σ = 162954792. Its totient is φ = 119760480.

The previous prime is 139902199. The next prime is 139902211. The reversal of 139902203 is 302209931.

It is not a de Polignac number, because 139902203 - 2² = 139902199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (139902223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52151 + ... + 54767.

It is an arithmetic number, because the mean of its divisors is an integer number (13579566).

Almost surely, 2^139902203 is an apocalyptic number.

139902203 is a deficient number, since it is larger than the sum of its proper divisors (23052589).

139902203 is a wasteful number, since it uses less digits than its factorization.

139902203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3722 (or 3715 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 139902203 is about 11828.0261666941. The cubic root of 139902203 is about 519.1284747958.

The spelling of 139902203 in words is "one hundred thirty-nine million, nine hundred two thousand, two hundred three".