173135117 has 2 divisors, whose sum is σ = 173135118. Its totient is φ = 173135116.

The previous prime is 173135101. The next prime is 173135161. The reversal of 173135117 is 711531371.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 167210761 + 5924356 = 12931^2 + 2434^2 .

It is an emirp because it is prime and its reverse (711531371) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 173135117 - 2⁴ = 173135101 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 173135117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (173135167) 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, 86567558 + 86567559.

It is an arithmetic number, because the mean of its divisors is an integer number (86567559).

Almost surely, 2^173135117 is an apocalyptic number.

It is an amenable number.

173135117 is a deficient number, since it is larger than the sum of its proper divisors (1).

173135117 is an equidigital number, since it uses as much as digits as its factorization.

173135117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2205, while the sum is 29.

The square root of 173135117 is about 13158.0818130911. The cubic root of 173135117 is about 557.3504912553.

Adding to 173135117 its reverse (711531371), we get a palindrome (884666488).

The spelling of 173135117 in words is "one hundred seventy-three million, one hundred thirty-five thousand, one hundred seventeen".