135103211 has 8 divisors (see below), whose sum is σ = 136749360. Its totient is φ = 133464672.

The previous prime is 135103207. The next prime is 135103223. The reversal of 135103211 is 112301531.

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 135103211 - 2² = 135103207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135103211.

It is not an unprimeable number, because it can be changed into a prime (135103411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38996 + ... + 42318.

It is an arithmetic number, because the mean of its divisors is an integer number (17093670).

Almost surely, 2^135103211 is an apocalyptic number.

135103211 is a deficient number, since it is larger than the sum of its proper divisors (1646149).

135103211 is a wasteful number, since it uses less digits than its factorization.

135103211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3805.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 135103211 is about 11623.3906843055. The cubic root of 135103211 is about 513.1234827955.

Adding to 135103211 its reverse (112301531), we get a palindrome (247404742).

The spelling of 135103211 in words is "one hundred thirty-five million, one hundred three thousand, two hundred eleven".