135183 has 4 divisors (see below), whose sum is σ = 180248. Its totient is φ = 90120.

The previous prime is 135181. The next prime is 135193. The reversal of 135183 is 381531.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 135183 - 2¹ = 135181 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 135183.

It is not an unprimeable number, because it can be changed into a prime (135181) 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, 22528 + ... + 22533.

It is an arithmetic number, because the mean of its divisors is an integer number (45062).

2¹³⁵¹⁸³ is an apocalyptic number.

135183 is a deficient number, since it is larger than the sum of its proper divisors (45065).

135183 is an equidigital number, since it uses as much as digits as its factorization.

135183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45064.

The product of its digits is 360, while the sum is 21.

The square root of 135183 is about 367.6724085378. The cubic root of 135183 is about 51.3224476083.

The spelling of 135183 in words is "one hundred thirty-five thousand, one hundred eighty-three".