135585317 has 8 divisors (see below), whose sum is σ = 155181312. Its totient is φ = 116046000.

The previous prime is 135585313. The next prime is 135585337. The reversal of 135585317 is 713585531.

It is a happy number.

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

It is not a de Polignac number, because 135585317 - 2² = 135585313 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135585313) 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, 8909 + ... + 18722.

It is an arithmetic number, because the mean of its divisors is an integer number (19397664).

Almost surely, 2^135585317 is an apocalyptic number.

It is an amenable number.

135585317 is a deficient number, since it is larger than the sum of its proper divisors (19595995).

135585317 is an equidigital number, since it uses as much as digits as its factorization.

135585317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28339.

The product of its digits is 63000, while the sum is 38.

The square root of 135585317 is about 11644.1108290844. The cubic root of 135585317 is about 513.7331062025.

The spelling of 135585317 in words is "one hundred thirty-five million, five hundred eighty-five thousand, three hundred seventeen".