204007136 has 48 divisors (see below), whose sum is σ = 413837424. Its totient is φ = 98939904.

The previous prime is 204007129. The next prime is 204007147. The reversal of 204007136 is 631700402.

It is a congruent number.

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, 237620 + ... + 238476.

It is an arithmetic number, because the mean of its divisors is an integer number (8621613).

Almost surely, 2^204007136 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 204007136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206918712).

204007136 is an abundant number, since it is smaller than the sum of its proper divisors (209830288).

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

204007136 is a wasteful number, since it uses less digits than its factorization.

204007136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083 (or 1075 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 204007136 is about 14283.1066648681. The cubic root of 204007136 is about 588.6833956536.

Adding to 204007136 its reverse (631700402), we get a palindrome (835707538).

The spelling of 204007136 in words is "two hundred four million, seven thousand, one hundred thirty-six".