135120303 has 6 divisors (see below), whose sum is σ = 195173784. Its totient is φ = 90080196.

The previous prime is 135120287. The next prime is 135120341. The reversal of 135120303 is 303021531.

135120303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 135120303 - 2⁴ = 135120287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135120353) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7506675 + ... + 7506692.

It is an arithmetic number, because the mean of its divisors is an integer number (32528964).

Almost surely, 2^135120303 is an apocalyptic number.

135120303 is a deficient number, since it is larger than the sum of its proper divisors (60053481).

135120303 is a wasteful number, since it uses less digits than its factorization.

135120303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15013373 (or 15013370 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 135120303 is about 11624.1259026217. The cubic root of 135120303 is about 513.1451204178.

Adding to 135120303 its reverse (303021531), we get a palindrome (438141834).

The spelling of 135120303 in words is "one hundred thirty-five million, one hundred twenty thousand, three hundred three".