135535 has 4 divisors (see below), whose sum is σ = 162648. Its totient is φ = 108424.

The previous prime is 135533. The next prime is 135559. The reversal of 135535 is 535531.

It is a happy number.

135535 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 535531 = 67 ⋅7993.

It is a cyclic number.

It is not a de Polignac number, because 135535 - 2¹ = 135533 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

135535 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13549 + ... + 13558.

It is an arithmetic number, because the mean of its divisors is an integer number (40662).

2¹³⁵⁵³⁵ is an apocalyptic number.

135535 is a deficient number, since it is larger than the sum of its proper divisors (27113).

135535 is an equidigital number, since it uses as much as digits as its factorization.

135535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27112.

The product of its digits is 1125, while the sum is 22.

The square root of 135535 is about 368.1507843262. The cubic root of 135535 is about 51.3669547926.

The spelling of 135535 in words is "one hundred thirty-five thousand, five hundred thirty-five".