135311303 has 8 divisors (see below), whose sum is σ = 141950880. Its totient is φ = 128803360.

The previous prime is 135311299. The next prime is 135311317. The reversal of 135311303 is 303113531.

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

It is a cyclic number.

It is not a de Polignac number, because 135311303 - 2² = 135311299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135311383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30800 + ... + 34917.

It is an arithmetic number, because the mean of its divisors is an integer number (17743860).

Almost surely, 2^135311303 is an apocalyptic number.

135311303 is a deficient number, since it is larger than the sum of its proper divisors (6639577).

135311303 is an equidigital number, since it uses as much as digits as its factorization.

135311303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65817.

The product of its (nonzero) digits is 405, while the sum is 20.

The square root of 135311303 is about 11632.3386728551. The cubic root of 135311303 is about 513.3867928901.

Adding to 135311303 its reverse (303113531), we get a palindrome (438424834).

The spelling of 135311303 in words is "one hundred thirty-five million, three hundred eleven thousand, three hundred three".