135145533 has 16 divisors (see below), whose sum is σ = 182073600. Its totient is φ = 89162304.

The previous prime is 135145519. The next prime is 135145573. The reversal of 135145533 is 335541531.

It is not a de Polignac number, because 135145533 - 2⁸ = 135145277 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135145533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135145573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206635 + ... + 207287.

It is an arithmetic number, because the mean of its divisors is an integer number (11379600).

Almost surely, 2^135145533 is an apocalyptic number.

It is an amenable number.

135145533 is a deficient number, since it is larger than the sum of its proper divisors (46928067).

135145533 is a wasteful number, since it uses less digits than its factorization.

135145533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268.

The product of its digits is 13500, while the sum is 30.

The square root of 135145533 is about 11625.2110948576. The cubic root of 135145533 is about 513.1770570091.

The spelling of 135145533 in words is "one hundred thirty-five million, one hundred forty-five thousand, five hundred thirty-three".