135388271 has 2 divisors, whose sum is σ = 135388272. Its totient is φ = 135388270.

The previous prime is 135388259. The next prime is 135388301. The reversal of 135388271 is 172883531.

It is a happy number.

135388271 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135388271 - 2⁶ = 135388207 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135388241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67694135 + 67694136.

It is an arithmetic number, because the mean of its divisors is an integer number (67694136).

Almost surely, 2^135388271 is an apocalyptic number.

135388271 is a deficient number, since it is larger than the sum of its proper divisors (1).

135388271 is an equidigital number, since it uses as much as digits as its factorization.

135388271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 38.

The square root of 135388271 is about 11635.6465656189. The cubic root of 135388271 is about 513.4841162818.

The spelling of 135388271 in words is "one hundred thirty-five million, three hundred eighty-eight thousand, two hundred seventy-one".