171069137 has 2 divisors, whose sum is σ = 171069138. Its totient is φ = 171069136.

The previous prime is 171069133. The next prime is 171069161. The reversal of 171069137 is 731960171.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129026881 + 42042256 = 11359^2 + 6484^2 .

It is an emirp because it is prime and its reverse (731960171) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 171069137 - 2² = 171069133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 171069097 and 171069106.

It is not a weakly prime, because it can be changed into another prime (171069133) 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, 85534568 + 85534569.

It is an arithmetic number, because the mean of its divisors is an integer number (85534569).

Almost surely, 2^171069137 is an apocalyptic number.

It is an amenable number.

171069137 is a deficient number, since it is larger than the sum of its proper divisors (1).

171069137 is an equidigital number, since it uses as much as digits as its factorization.

171069137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7938, while the sum is 35.

The square root of 171069137 is about 13079.3400827412. The cubic root of 171069137 is about 555.1247042777.

The spelling of 171069137 in words is "one hundred seventy-one million, sixty-nine thousand, one hundred thirty-seven".