133315942717 has 8 divisors (see below), whose sum is σ = 137963662200. Its totient is φ = 128671597824.

The previous prime is 133315942699. The next prime is 133315942733. The reversal of 133315942717 is 717249513331.

It can be written as a sum of positive squares in 4 ways, for example, as 14200535556 + 119115407161 = 119166^2 + 345131^2 .

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-133315942717 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 (133315942817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 763128 + ... + 921409.

It is an arithmetic number, because the mean of its divisors is an integer number (17245457775).

Almost surely, 2^133315942717 is an apocalyptic number.

It is an amenable number.

133315942717 is a deficient number, since it is larger than the sum of its proper divisors (4647719483).

133315942717 is a wasteful number, since it uses less digits than its factorization.

133315942717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687295.

The product of its digits is 476280, while the sum is 46.

The spelling of 133315942717 in words is "one hundred thirty-three billion, three hundred fifteen million, nine hundred forty-two thousand, seven hundred seventeen".