135003213 has 16 divisors (see below), whose sum is σ = 200851200. Its totient is φ = 89621280.

The previous prime is 135003203. The next prime is 135003221. The reversal of 135003213 is 312300531.

135003213 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 135003213 - 2⁵ = 135003181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135003203) 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, 4008 + ... + 16913.

It is an arithmetic number, because the mean of its divisors is an integer number (12553200).

Almost surely, 2^135003213 is an apocalyptic number.

It is an amenable number.

135003213 is a deficient number, since it is larger than the sum of its proper divisors (65847987).

135003213 is a wasteful number, since it uses less digits than its factorization.

135003213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21169 (or 21163 counting only the distinct ones).

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

The square root of 135003213 is about 11619.0883033050. The cubic root of 135003213 is about 512.9968537135.

Adding to 135003213 its reverse (312300531), we get a palindrome (447303744).

The spelling of 135003213 in words is "one hundred thirty-five million, three thousand, two hundred thirteen".