134512517 has 8 divisors (see below), whose sum is σ = 143251416. Its totient is φ = 125865472.

The previous prime is 134512493. The next prime is 134512529. The reversal of 134512517 is 715215431.

It can be written as a sum of positive squares in 4 ways, for example, as 47761921 + 86750596 = 6911^2 + 9314^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 134512517 - 2¹⁰ = 134511493 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 134512517.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134512577) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19928 + ... + 25809.

It is an arithmetic number, because the mean of its divisors is an integer number (17906427).

Almost surely, 2^134512517 is an apocalyptic number.

134512517 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

134512517 is a deficient number, since it is larger than the sum of its proper divisors (8738899).

134512517 is a wasteful number, since it uses less digits than its factorization.

134512517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45927.

The product of its digits is 4200, while the sum is 29.

The square root of 134512517 is about 11597.9531383775. The cubic root of 134512517 is about 512.3745695026.

Adding to 134512517 its reverse (715215431), we get a palindrome (849727948).

The spelling of 134512517 in words is "one hundred thirty-four million, five hundred twelve thousand, five hundred seventeen".