134235217 has 2 divisors, whose sum is σ = 134235218. Its totient is φ = 134235216.

The previous prime is 134235193. The next prime is 134235221. The reversal of 134235217 is 712532431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67502656 + 66732561 = 8216^2 + 8169^2 .

It is a cyclic number.

It is not a de Polignac number, because 134235217 - 2¹⁵ = 134202449 is a prime.

It is not a weakly prime, because it can be changed into another prime (134235617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67117608 + 67117609.

It is an arithmetic number, because the mean of its divisors is an integer number (67117609).

Almost surely, 2^134235217 is an apocalyptic number.

It is an amenable number.

134235217 is a deficient number, since it is larger than the sum of its proper divisors (1).

134235217 is an equidigital number, since it uses as much as digits as its factorization.

134235217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 28.

The square root of 134235217 is about 11585.9922751571. The cubic root of 134235217 is about 512.0222374477.

Adding to 134235217 its reverse (712532431), we get a palindrome (846767648).

The spelling of 134235217 in words is "one hundred thirty-four million, two hundred thirty-five thousand, two hundred seventeen".