134722417 has 2 divisors, whose sum is σ = 134722418. Its totient is φ = 134722416.

The previous prime is 134722391. The next prime is 134722451. The reversal of 134722417 is 714227431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130896481 + 3825936 = 11441^2 + 1956^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134722417 is a prime.

It is not a weakly prime, because it can be changed into another prime (134722117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67361208 + 67361209.

It is an arithmetic number, because the mean of its divisors is an integer number (67361209).

Almost surely, 2^134722417 is an apocalyptic number.

It is an amenable number.

134722417 is a deficient number, since it is larger than the sum of its proper divisors (1).

134722417 is an equidigital number, since it uses as much as digits as its factorization.

134722417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9408, while the sum is 31.

The square root of 134722417 is about 11606.9986215214. The cubic root of 134722417 is about 512.6409425565.

Adding to 134722417 its reverse (714227431), we get a palindrome (848949848).

The spelling of 134722417 in words is "one hundred thirty-four million, seven hundred twenty-two thousand, four hundred seventeen".