135003211 has 16 divisors (see below), whose sum is σ = 156183040. Its totient is φ = 114307200.

The previous prime is 135003203. The next prime is 135003221. The reversal of 135003211 is 112300531.

135003211 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 135003211 - 2³ = 135003203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135003221) 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, 356020 + ... + 356398.

It is an arithmetic number, because the mean of its divisors is an integer number (9761440).

Almost surely, 2^135003211 is an apocalyptic number.

135003211 is a deficient number, since it is larger than the sum of its proper divisors (21179829).

135003211 is a wasteful number, since it uses less digits than its factorization.

135003211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 135003211 is about 11619.0882172398. The cubic root of 135003211 is about 512.9968511802.

Adding to 135003211 its reverse (112300531), we get a palindrome (247303742).

The spelling of 135003211 in words is "one hundred thirty-five million, three thousand, two hundred eleven".