133535 has 8 divisors (see below), whose sum is σ = 169776. Its totient is φ = 100480.

The previous prime is 133519. The next prime is 133541. The reversal of 133535 is 535331.

133535 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 133535 - 2⁴ = 133519 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, 701 + ... + 870.

It is an arithmetic number, because the mean of its divisors is an integer number (21222).

2¹³³⁵³⁵ is an apocalyptic number.

133535 is a deficient number, since it is larger than the sum of its proper divisors (36241).

133535 is a wasteful number, since it uses less digits than its factorization.

133535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1593.

The product of its digits is 675, while the sum is 20.

The square root of 133535 is about 365.4244107883. The cubic root of 133535 is about 51.1130390297.

Adding to 133535 its reverse (535331), we get a palindrome (668866).

The spelling of 133535 in words is "one hundred thirty-three thousand, five hundred thirty-five".