133133337317 has 4 divisors (see below), whose sum is σ = 135008454816. Its totient is φ = 131258219820.

The previous prime is 133133337301. The next prime is 133133337349. The reversal of 133133337317 is 713733331331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 133133337317 - 2⁴ = 133133337301 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 (133133337377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 937558643 + ... + 937558784.

It is an arithmetic number, because the mean of its divisors is an integer number (33752113704).

Almost surely, 2^133133337317 is an apocalyptic number.

It is an amenable number.

133133337317 is a deficient number, since it is larger than the sum of its proper divisors (1875117499).

133133337317 is an equidigital number, since it uses as much as digits as its factorization.

133133337317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1875117498.

The product of its digits is 107163, while the sum is 38.

Adding to 133133337317 its reverse (713733331331), we get a palindrome (846866668648).

The spelling of 133133337317 in words is "one hundred thirty-three billion, one hundred thirty-three million, three hundred thirty-seven thousand, three hundred seventeen".