134454217 has 2 divisors, whose sum is σ = 134454218. Its totient is φ = 134454216.

The previous prime is 134454209. The next prime is 134454227. The reversal of 134454217 is 712454431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133263936 + 1190281 = 11544^2 + 1091^2 .

It is a cyclic number.

It is not a de Polignac number, because 134454217 - 2³ = 134454209 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (134454227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67227108 + 67227109.

It is an arithmetic number, because the mean of its divisors is an integer number (67227109).

Almost surely, 2^134454217 is an apocalyptic number.

It is an amenable number.

134454217 is a deficient number, since it is larger than the sum of its proper divisors (1).

134454217 is an equidigital number, since it uses as much as digits as its factorization.

134454217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13440, while the sum is 31.

The square root of 134454217 is about 11595.4394914553. The cubic root of 134454217 is about 512.3005348708.

The spelling of 134454217 in words is "one hundred thirty-four million, four hundred fifty-four thousand, two hundred seventeen".