200540135 has 4 divisors (see below), whose sum is σ = 240648168. Its totient is φ = 160432104.

The previous prime is 200540107. The next prime is 200540141. The reversal of 200540135 is 531045002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 531045002 = 2 ⋅265522501.

It is a cyclic number.

It is not a de Polignac number, because 200540135 - 2²⁶ = 133431271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20054009 + ... + 20054018.

It is an arithmetic number, because the mean of its divisors is an integer number (60162042).

Almost surely, 2^200540135 is an apocalyptic number.

200540135 is a deficient number, since it is larger than the sum of its proper divisors (40108033).

200540135 is an equidigital number, since it uses as much as digits as its factorization.

200540135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40108032.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 200540135 is about 14161.2194037096. The cubic root of 200540135 is about 585.3295291983.

Adding to 200540135 its reverse (531045002), we get a palindrome (731585137).

The spelling of 200540135 in words is "two hundred million, five hundred forty thousand, one hundred thirty-five".