134564717 has 4 divisors (see below), whose sum is σ = 153788256. Its totient is φ = 115341180.

The previous prime is 134564699. The next prime is 134564767. The reversal of 134564717 is 717465431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 717465431 = 4931 ⋅145501.

It is a cyclic number.

It is not a de Polignac number, because 134564717 - 2²⁶ = 67455853 is a prime.

It is a super-2 number, since 2×134564717² = 36215326122580178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134564767) 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, 9611759 + ... + 9611772.

It is an arithmetic number, because the mean of its divisors is an integer number (38447064).

Almost surely, 2^134564717 is an apocalyptic number.

It is an amenable number.

134564717 is a deficient number, since it is larger than the sum of its proper divisors (19223539).

134564717 is an equidigital number, since it uses as much as digits as its factorization.

134564717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19223538.

The product of its digits is 70560, while the sum is 38.

The square root of 134564717 is about 11600.2033171837. The cubic root of 134564717 is about 512.4408396514.

The spelling of 134564717 in words is "one hundred thirty-four million, five hundred sixty-four thousand, seven hundred seventeen".