171134009 has 2 divisors, whose sum is σ = 171134010. Its totient is φ = 171134008.

The previous prime is 171133999. The next prime is 171134027. The reversal of 171134009 is 900431171.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110838784 + 60295225 = 10528^2 + 7765^2 .

It is an emirp because it is prime and its reverse (900431171) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 171134009 - 2¹⁶ = 171068473 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (171134209) 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, 85567004 + 85567005.

It is an arithmetic number, because the mean of its divisors is an integer number (85567005).

Almost surely, 2^171134009 is an apocalyptic number.

It is an amenable number.

171134009 is a deficient number, since it is larger than the sum of its proper divisors (1).

171134009 is an equidigital number, since it uses as much as digits as its factorization.

171134009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 171134009 is about 13081.8197893107. The cubic root of 171134009 is about 555.1948659665.

The spelling of 171134009 in words is "one hundred seventy-one million, one hundred thirty-four thousand, nine".