134731317 has 16 divisors (see below), whose sum is σ = 205845120. Its totient is φ = 76786752.

The previous prime is 134731283. The next prime is 134731321. The reversal of 134731317 is 713137431.

It is not a de Polignac number, because 134731317 - 2⁸ = 134731061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134735317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78 + ... + 16415.

It is an arithmetic number, because the mean of its divisors is an integer number (12865320).

Almost surely, 2^134731317 is an apocalyptic number.

It is an amenable number.

134731317 is a deficient number, since it is larger than the sum of its proper divisors (71113803).

134731317 is a wasteful number, since it uses less digits than its factorization.

134731317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16892.

The product of its digits is 5292, while the sum is 30.

The square root of 134731317 is about 11607.3820045693. The cubic root of 134731317 is about 512.6522309623.

Adding to 134731317 its reverse (713137431), we get a palindrome (847868748).

The spelling of 134731317 in words is "one hundred thirty-four million, seven hundred thirty-one thousand, three hundred seventeen".