135200565 has 24 divisors (see below), whose sum is σ = 238324320. Its totient is φ = 70883424.

The previous prime is 135200551. The next prime is 135200567. The reversal of 135200565 is 565002531.

It is not a de Polignac number, because 135200565 - 2⁷ = 135200437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135200567) 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, 22807 + ... + 28116.

It is an arithmetic number, because the mean of its divisors is an integer number (9930180).

Almost surely, 2^135200565 is an apocalyptic number.

135200565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135200565 is a deficient number, since it is larger than the sum of its proper divisors (103123755).

135200565 is a wasteful number, since it uses less digits than its factorization.

135200565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50993 (or 50990 counting only the distinct ones).

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

The square root of 135200565 is about 11627.5777787121. The cubic root of 135200565 is about 513.2467037243.

The spelling of 135200565 in words is "one hundred thirty-five million, two hundred thousand, five hundred sixty-five".