200540136 has 32 divisors (see below), whose sum is σ = 527738400. Its totient is φ = 63328320.

The previous prime is 200540107. The next prime is 200540141. The reversal of 200540136 is 631045002.

It is a happy number.

It is a super-2 number, since 2×200540136² = 80432692293796992, which contains 22 as substring.

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, 219435 + ... + 220346.

It is an arithmetic number, because the mean of its divisors is an integer number (16491825).

Almost surely, 2^200540136 is an apocalyptic number.

It is an amenable number.

200540136 is an abundant number, since it is smaller than the sum of its proper divisors (327198264).

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

200540136 is a wasteful number, since it uses less digits than its factorization.

200540136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439809 (or 439805 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 200540136 is about 14161.2194390172. The cubic root of 200540136 is about 585.3295301712.

Adding to 200540136 its reverse (631045002), we get a palindrome (831585138).

The spelling of 200540136 in words is "two hundred million, five hundred forty thousand, one hundred thirty-six".