134287717 has 8 divisors (see below), whose sum is σ = 136821600. Its totient is φ = 131762544.

The previous prime is 134287697. The next prime is 134287721. The reversal of 134287717 is 717782431.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134287717 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 134287717.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134287757) 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, 34683 + ... + 38359.

It is an arithmetic number, because the mean of its divisors is an integer number (17102700).

Almost surely, 2^134287717 is an apocalyptic number.

It is an amenable number.

134287717 is a deficient number, since it is larger than the sum of its proper divisors (2533883).

134287717 is an equidigital number, since it uses as much as digits as its factorization.

134287717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4355.

The product of its digits is 65856, while the sum is 40.

The square root of 134287717 is about 11588.2577206412. The cubic root of 134287717 is about 512.0889801509.

The spelling of 134287717 in words is "one hundred thirty-four million, two hundred eighty-seven thousand, seven hundred seventeen".