134222009 has 2 divisors, whose sum is σ = 134222010. Its totient is φ = 134222008.

The previous prime is 134221993. The next prime is 134222017. The reversal of 134222009 is 900222431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110670400 + 23551609 = 10520^2 + 4853^2 .

It is a cyclic number.

It is not a de Polignac number, because 134222009 - 2⁴ = 134221993 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (134282009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67111004 + 67111005.

It is an arithmetic number, because the mean of its divisors is an integer number (67111005).

Almost surely, 2^134222009 is an apocalyptic number.

It is an amenable number.

134222009 is a deficient number, since it is larger than the sum of its proper divisors (1).

134222009 is an equidigital number, since it uses as much as digits as its factorization.

134222009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 134222009 is about 11585.4222624814. The cubic root of 134222009 is about 512.0054435151.

The spelling of 134222009 in words is "one hundred thirty-four million, two hundred twenty-two thousand, nine".