134444417 has 2 divisors, whose sum is σ = 134444418. Its totient is φ = 134444416.

The previous prime is 134444413. The next prime is 134444419. The reversal of 134444417 is 714444431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68574961 + 65869456 = 8281^2 + 8116^2 .

It is a cyclic number.

It is not a de Polignac number, because 134444417 - 2² = 134444413 is a prime.

Together with 134444419, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (134444413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67222208 + 67222209.

It is an arithmetic number, because the mean of its divisors is an integer number (67222209).

Almost surely, 2^134444417 is an apocalyptic number.

It is an amenable number.

134444417 is a deficient number, since it is larger than the sum of its proper divisors (1).

134444417 is an equidigital number, since it uses as much as digits as its factorization.

134444417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21504, while the sum is 32.

The square root of 134444417 is about 11595.0169038255. The cubic root of 134444417 is about 512.2880878402.

Adding to 134444417 its reverse (714444431), we get a palindrome (848888848).

The spelling of 134444417 in words is "one hundred thirty-four million, four hundred forty-four thousand, four hundred seventeen".