135252211 has 2 divisors, whose sum is σ = 135252212. Its totient is φ = 135252210.

The previous prime is 135252197. The next prime is 135252223. The reversal of 135252211 is 112252531.

135252211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135252211 - 2⁷ = 135252083 is a prime.

It is not a weakly prime, because it can be changed into another prime (135252011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67626105 + 67626106.

It is an arithmetic number, because the mean of its divisors is an integer number (67626106).

Almost surely, 2^135252211 is an apocalyptic number.

135252211 is a deficient number, since it is larger than the sum of its proper divisors (1).

135252211 is an equidigital number, since it uses as much as digits as its factorization.

135252211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 600, while the sum is 22.

The square root of 135252211 is about 11629.7984075391. The cubic root of 135252211 is about 513.3120480389.

The spelling of 135252211 in words is "one hundred thirty-five million, two hundred fifty-two thousand, two hundred eleven".