135460217 has 2 divisors, whose sum is σ = 135460218. Its totient is φ = 135460216.

The previous prime is 135460201. The next prime is 135460243. The reversal of 135460217 is 712064531.

135460217 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 can be written as a sum of positive squares in only one way, i.e., 135233641 + 226576 = 11629^2 + 476^2 .

It is an emirp because it is prime and its reverse (712064531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135460217 - 2⁴ = 135460201 is a prime.

It is equal to p_7670045 and since 135460217 and 7670045 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135460217.

It is not a weakly prime, because it can be changed into another prime (135460417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67730108 + 67730109.

It is an arithmetic number, because the mean of its divisors is an integer number (67730109).

Almost surely, 2^135460217 is an apocalyptic number.

It is an amenable number.

135460217 is a deficient number, since it is larger than the sum of its proper divisors (1).

135460217 is an equidigital number, since it uses as much as digits as its factorization.

135460217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 135460217 is about 11638.7377752057. The cubic root of 135460217 is about 513.5750561788.

The spelling of 135460217 in words is "one hundred thirty-five million, four hundred sixty thousand, two hundred seventeen".