134731313 has 8 divisors (see below), whose sum is σ = 136968000. Its totient is φ = 132512688.

The previous prime is 134731283. The next prime is 134731321. The reversal of 134731313 is 313137431.

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 134731313 - 2⁸ = 134731057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134731343) 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, 10958 + ... + 19736.

It is an arithmetic number, because the mean of its divisors is an integer number (17121000).

Almost surely, 2^134731313 is an apocalyptic number.

It is an amenable number.

134731313 is a deficient number, since it is larger than the sum of its proper divisors (2236687).

134731313 is a wasteful number, since it uses less digits than its factorization.

134731313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9031.

The product of its digits is 2268, while the sum is 26.

The square root of 134731313 is about 11607.3818322652. The cubic root of 134731313 is about 512.6522258889.

Adding to 134731313 its reverse (313137431), we get a palindrome (447868744).

The spelling of 134731313 in words is "one hundred thirty-four million, seven hundred thirty-one thousand, three hundred thirteen".