135655 has 8 divisors (see below), whose sum is σ = 175392. Its totient is φ = 100128.

The previous prime is 135649. The next prime is 135661. The reversal of 135655 is 556531.

135655 = 88² + 89² + ... + 102².

135655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (135649) and next prime (135661).

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 135655 - 2³ = 135647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 979 + ... + 1108.

It is an arithmetic number, because the mean of its divisors is an integer number (21924).

2¹³⁵⁶⁵⁵ is an apocalyptic number.

135655 is a deficient number, since it is larger than the sum of its proper divisors (39737).

135655 is a wasteful number, since it uses less digits than its factorization.

135655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2105.

The product of its digits is 2250, while the sum is 25.

The square root of 135655 is about 368.3137249683. The cubic root of 135655 is about 51.3821100817.

The spelling of 135655 in words is "one hundred thirty-five thousand, six hundred fifty-five".