135900211 has 2 divisors, whose sum is σ = 135900212. Its totient is φ = 135900210.

The previous prime is 135900203. The next prime is 135900229. The reversal of 135900211 is 112009531.

It is a weak prime.

It is an emirp because it is prime and its reverse (112009531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135900211 - 2³ = 135900203 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (135900911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67950105 + 67950106.

It is an arithmetic number, because the mean of its divisors is an integer number (67950106).

Almost surely, 2^135900211 is an apocalyptic number.

135900211 is a deficient number, since it is larger than the sum of its proper divisors (1).

135900211 is an equidigital number, since it uses as much as digits as its factorization.

135900211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 135900211 is about 11657.6245865099. The cubic root of 135900211 is about 514.1305100923.

Adding to 135900211 its reverse (112009531), we get a palindrome (247909742).

The spelling of 135900211 in words is "one hundred thirty-five million, nine hundred thousand, two hundred eleven".