135710665 has 8 divisors (see below), whose sum is σ = 165522888. Its totient is φ = 106788480.

The previous prime is 135710647. The next prime is 135710681. The reversal of 135710665 is 566017531.

It can be written as a sum of positive squares in 4 ways, for example, as 20620681 + 115089984 = 4541^2 + 10728^2 .

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

It is not a de Polignac number, because 135710665 - 2²⁵ = 102156233 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135710665.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222172 + ... + 222781.

It is an arithmetic number, because the mean of its divisors is an integer number (20690361).

Almost surely, 2^135710665 is an apocalyptic number.

It is an amenable number.

135710665 is a deficient number, since it is larger than the sum of its proper divisors (29812223).

135710665 is an equidigital number, since it uses as much as digits as its factorization.

135710665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445019.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 135710665 is about 11649.4920490123. The cubic root of 135710665 is about 513.8913720693.

The spelling of 135710665 in words is "one hundred thirty-five million, seven hundred ten thousand, six hundred sixty-five".