134217 has 10 divisors (see below), whose sum is σ = 200618. Its totient is φ = 89424.

The previous prime is 134213. The next prime is 134219. The reversal of 134217 is 712431.

It can be written as a sum of positive squares in only one way, i.e., 104976 + 29241 = 324^2 + 171^2 .

It is not a de Polignac number, because 134217 - 2² = 134213 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134217.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 134217.

It is not an unprimeable number, because it can be changed into a prime (134213) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 748 + ... + 909.

2¹³⁴²¹⁷ is an apocalyptic number.

It is an amenable number.

134217 is a deficient number, since it is larger than the sum of its proper divisors (66401).

134217 is an equidigital number, since it uses as much as digits as its factorization.

134217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669 (or 1660 counting only the distinct ones).

The product of its digits is 168, while the sum is 18.

The square root of 134217 is about 366.3563838669. The cubic root of 134217 is about 51.1999074298.

Adding to 134217 its reverse (712431), we get a palindrome (846648).

It can be divided in two parts, 134 and 217, that added together give a triangular number (351 = T₂₆).

The spelling of 134217 in words is "one hundred thirty-four thousand, two hundred seventeen".