203424136 has 32 divisors (see below), whose sum is σ = 389743200. Its totient is φ = 99515520.

The previous prime is 203424103. The next prime is 203424173. The reversal of 203424136 is 631424302.

It is a self number, because there is not a number n which added to its sum of digits gives 203424136.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75175 + ... + 77833.

It is an arithmetic number, because the mean of its divisors is an integer number (12179475).

Almost surely, 2^203424136 is an apocalyptic number.

It is an amenable number.

203424136 is a deficient number, since it is larger than the sum of its proper divisors (186319064).

203424136 is a wasteful number, since it uses less digits than its factorization.

203424136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2869 (or 2865 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 203424136 is about 14262.6833379978. The cubic root of 203424136 is about 588.1220919748.

Adding to 203424136 its reverse (631424302), we get a palindrome (834848438).

The spelling of 203424136 in words is "two hundred three million, four hundred twenty-four thousand, one hundred thirty-six".