203189104139 has 24 divisors (see below), whose sum is σ = 242123975280. Its totient is φ = 169960148736.

The previous prime is 203189104127. The next prime is 203189104141. The reversal of 203189104139 is 931401981302.

It is not a de Polignac number, because 203189104139 - 2¹⁶ = 203189038603 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203189104096 and 203189104105.

It is not an unprimeable number, because it can be changed into a prime (203189104159) 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, 139559 + ... + 652575.

It is an arithmetic number, because the mean of its divisors is an integer number (10088498970).

Almost surely, 2^203189104139 is an apocalyptic number.

203189104139 is a deficient number, since it is larger than the sum of its proper divisors (38934871141).

203189104139 is a wasteful number, since it uses less digits than its factorization.

203189104139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513227 (or 513220 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 41.

The spelling of 203189104139 in words is "two hundred three billion, one hundred eighty-nine million, one hundred four thousand, one hundred thirty-nine".