134008517 has 4 divisors (see below), whose sum is σ = 135335436. Its totient is φ = 132681600.

The previous prime is 134008513. The next prime is 134008519. The reversal of 134008517 is 715800431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 715800431 = 2503 ⋅285977.

It can be written as a sum of positive squares in 2 ways, for example, as 105801796 + 28206721 = 10286^2 + 5311^2 .

It is a cyclic number.

It is not a de Polignac number, because 134008517 - 2² = 134008513 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 134008517.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134008513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 663308 + ... + 663509.

It is an arithmetic number, because the mean of its divisors is an integer number (33833859).

Almost surely, 2^134008517 is an apocalyptic number.

It is an amenable number.

134008517 is a deficient number, since it is larger than the sum of its proper divisors (1326919).

134008517 is a wasteful number, since it uses less digits than its factorization.

134008517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326918.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 134008517 is about 11576.2047753139. The cubic root of 134008517 is about 511.7338361151.

Adding to 134008517 its reverse (715800431), we get a palindrome (849808948).

The spelling of 134008517 in words is "one hundred thirty-four million, eight thousand, five hundred seventeen".