200135565 has 24 divisors (see below), whose sum is σ = 396459648. Its totient is φ = 91490400.

The previous prime is 200135549. The next prime is 200135591. The reversal of 200135565 is 565531002.

It is not a de Polignac number, because 200135565 - 2⁴ = 200135549 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 317361 + ... + 317990.

It is an arithmetic number, because the mean of its divisors is an integer number (16519152).

Almost surely, 2^200135565 is an apocalyptic number.

It is an amenable number.

200135565 is a deficient number, since it is larger than the sum of its proper divisors (196324083).

200135565 is a wasteful number, since it uses less digits than its factorization.

200135565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635369 (or 635366 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 200135565 is about 14146.9277583509. The cubic root of 200135565 is about 584.9356492880.

Adding to 200135565 its reverse (565531002), we get a palindrome (765666567).

The spelling of 200135565 in words is "two hundred million, one hundred thirty-five thousand, five hundred sixty-five".