135235211 has 2 divisors, whose sum is σ = 135235212. Its totient is φ = 135235210.

The previous prime is 135235157. The next prime is 135235223. The reversal of 135235211 is 112532531.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (112532531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135235211 - 2¹⁴ = 135218827 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (135235241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67617605 + 67617606.

It is an arithmetic number, because the mean of its divisors is an integer number (67617606).

Almost surely, 2^135235211 is an apocalyptic number.

135235211 is a deficient number, since it is larger than the sum of its proper divisors (1).

135235211 is an equidigital number, since it uses as much as digits as its factorization.

135235211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 900, while the sum is 23.

The square root of 135235211 is about 11629.0675034587. The cubic root of 135235211 is about 513.2905408848.

Adding to 135235211 its reverse (112532531), we get a palindrome (247767742).

It can be divided in two parts, 1352 and 35211, that added together give a palindrome (36563).

The spelling of 135235211 in words is "one hundred thirty-five million, two hundred thirty-five thousand, two hundred eleven".