135355565 has 8 divisors (see below), whose sum is σ = 162881280. Its totient is φ = 107981392.

The previous prime is 135355531. The next prime is 135355567. The reversal of 135355565 is 565553531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135355565 - 2⁶ = 135355501 is a prime.

It is a super-2 number, since 2×135355565² = 36642257952938450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135355567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35909 + ... + 39498.

It is an arithmetic number, because the mean of its divisors is an integer number (20360160).

Almost surely, 2^135355565 is an apocalyptic number.

It is an amenable number.

135355565 is a deficient number, since it is larger than the sum of its proper divisors (27525715).

135355565 is an equidigital number, since it uses as much as digits as its factorization.

135355565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75771.

The product of its digits is 168750, while the sum is 38.

The square root of 135355565 is about 11634.2410581868. The cubic root of 135355565 is about 513.4427651764.

The spelling of 135355565 in words is "one hundred thirty-five million, three hundred fifty-five thousand, five hundred sixty-five".