200789136 has 120 divisors (see below), whose sum is σ = 584962560. Its totient is φ = 64243200.

The previous prime is 200789081. The next prime is 200789137. The reversal of 200789136 is 631987002.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 200789136.

It is not an unprimeable number, because it can be changed into a prime (200789137) 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, 418945 + ... + 419423.

It is an arithmetic number, because the mean of its divisors is an integer number (4874688).

Almost surely, 2^200789136 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 200789136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292481280).

200789136 is an abundant number, since it is smaller than the sum of its proper divisors (384173424).

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

200789136 is a wasteful number, since it uses less digits than its factorization.

200789136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605 (or 596 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 200789136 is about 14170.0083274499. The cubic root of 200789136 is about 585.5716874693.

The spelling of 200789136 in words is "two hundred million, seven hundred eighty-nine thousand, one hundred thirty-six".