134857317 has 8 divisors (see below), whose sum is σ = 205496896. Its totient is φ = 77061312.

The previous prime is 134857297. The next prime is 134857351. The reversal of 134857317 is 713758431.

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

It is not a de Polignac number, because 134857317 - 2¹² = 134853221 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 (134857357) 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, 3210868 + ... + 3210909.

It is an arithmetic number, because the mean of its divisors is an integer number (25687112).

Almost surely, 2^134857317 is an apocalyptic number.

It is an amenable number.

134857317 is a deficient number, since it is larger than the sum of its proper divisors (70639579).

134857317 is an equidigital number, since it uses as much as digits as its factorization.

134857317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6421787.

The product of its digits is 70560, while the sum is 39.

The square root of 134857317 is about 11612.8083166821. The cubic root of 134857317 is about 512.8119910362.

It can be divided in two parts, 13485 and 7317, that added together give a palindrome (20802).

The spelling of 134857317 in words is "one hundred thirty-four million, eight hundred fifty-seven thousand, three hundred seventeen".