200134470 has 64 divisors (see below), whose sum is σ = 494968320. Its totient is φ = 51760128.

The previous prime is 200134469. The next prime is 200134483. The reversal of 200134470 is 74431002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 214966 + ... + 215894.

It is an arithmetic number, because the mean of its divisors is an integer number (7733880).

Almost surely, 2^200134470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200134470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247484160).

200134470 is an abundant number, since it is smaller than the sum of its proper divisors (294833850).

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

200134470 is a wasteful number, since it uses less digits than its factorization.

200134470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 200134470 is about 14146.8890573157. The cubic root of 200134470 is about 584.9345825016.

Adding to 200134470 its reverse (74431002), we get a palindrome (274565472).

The spelling of 200134470 in words is "two hundred million, one hundred thirty-four thousand, four hundred seventy".