134656517 has 4 divisors (see below), whose sum is σ = 137197260. Its totient is φ = 132115776.

The previous prime is 134656499. The next prime is 134656519. The reversal of 134656517 is 715656431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 100620961 + 34035556 = 10031^2 + 5834^2 .

It is a cyclic number.

It is not a de Polignac number, because 134656517 - 2¹² = 134652421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134656519) 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, 1270292 + ... + 1270397.

It is an arithmetic number, because the mean of its divisors is an integer number (34299315).

Almost surely, 2^134656517 is an apocalyptic number.

It is an amenable number.

134656517 is a deficient number, since it is larger than the sum of its proper divisors (2540743).

134656517 is an equidigital number, since it uses as much as digits as its factorization.

134656517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2540742.

The product of its digits is 75600, while the sum is 38.

The square root of 134656517 is about 11604.1594697763. The cubic root of 134656517 is about 512.5573421463.

The spelling of 134656517 in words is "one hundred thirty-four million, six hundred fifty-six thousand, five hundred seventeen".