203135472 has 80 divisors (see below), whose sum is σ = 584962560. Its totient is φ = 67492800.

The previous prime is 203135417. The next prime is 203135477. The reversal of 203135472 is 274531302.

203135472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203135477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185647 + ... + 186737.

It is an arithmetic number, because the mean of its divisors is an integer number (7312032).

Almost surely, 2^203135472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203135472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292481280).

203135472 is an abundant number, since it is smaller than the sum of its proper divisors (381827088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203135472 is a wasteful number, since it uses less digits than its factorization.

203135472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539 (or 1527 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 203135472 is about 14252.5601910674. The cubic root of 203135472 is about 587.8437735727.

Adding to 203135472 its reverse (274531302), we get a palindrome (477666774).

The spelling of 203135472 in words is "two hundred three million, one hundred thirty-five thousand, four hundred seventy-two".