203134604 has 6 divisors (see below), whose sum is σ = 355485564. Its totient is φ = 101567300.

The previous prime is 203134601. The next prime is 203134627. The reversal of 203134604 is 406431302.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 203134604.

It is not an unprimeable number, because it can be changed into a prime (203134601) 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, 25391822 + ... + 25391829.

It is an arithmetic number, because the mean of its divisors is an integer number (59247594).

Almost surely, 2^203134604 is an apocalyptic number.

It is an amenable number.

203134604 is a deficient number, since it is larger than the sum of its proper divisors (152350960).

203134604 is a wasteful number, since it uses less digits than its factorization.

203134604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50783655 (or 50783653 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 203134604 is about 14252.5297403654. The cubic root of 203134604 is about 587.8429362840.

Adding to 203134604 its reverse (406431302), we get a palindrome (609565906).

The spelling of 203134604 in words is "two hundred three million, one hundred thirty-four thousand, six hundred four".