135303 has 16 divisors (see below), whose sum is σ = 218880. Its totient is φ = 72576.

The previous prime is 135301. The next prime is 135319. The reversal of 135303 is 303531.

It is not a de Polignac number, because 135303 - 2¹ = 135301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168 + ... + 546.

It is an arithmetic number, because the mean of its divisors is an integer number (13680).

2¹³⁵³⁰³ is an apocalyptic number.

135303 is a deficient number, since it is larger than the sum of its proper divisors (83577).

135303 is a wasteful number, since it uses less digits than its factorization.

135303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406.

The product of its (nonzero) digits is 135, while the sum is 15.

The square root of 135303 is about 367.8355610867. The cubic root of 135303 is about 51.3376291827.

Adding to 135303 its reverse (303531), we get a palindrome (438834).

The spelling of 135303 in words is "one hundred thirty-five thousand, three hundred three".