135393 has 4 divisors (see below), whose sum is σ = 180528. Its totient is φ = 90260.

The previous prime is 135391. The next prime is 135403. The reversal of 135393 is 393531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 135393 - 2¹ = 135391 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (135391) 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, 22563 + ... + 22568.

It is an arithmetic number, because the mean of its divisors is an integer number (45132).

2¹³⁵³⁹³ is an apocalyptic number.

It is an amenable number.

135393 is a deficient number, since it is larger than the sum of its proper divisors (45135).

135393 is an equidigital number, since it uses as much as digits as its factorization.

135393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45134.

The product of its digits is 1215, while the sum is 24.

The square root of 135393 is about 367.9578780241. The cubic root of 135393 is about 51.3490094737.

It can be divided in two parts, 135 and 393, that added together give a triangular number (528 = T₃₂).

The spelling of 135393 in words is "one hundred thirty-five thousand, three hundred ninety-three".