133812317318 has 8 divisors (see below), whose sum is σ = 201293601600. Its totient is φ = 66714450120.

The previous prime is 133812317281. The next prime is 133812317323. The reversal of 133812317318 is 813713218331.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95853398 + ... + 95854793.

It is an arithmetic number, because the mean of its divisors is an integer number (25161700200).

Almost surely, 2^133812317318 is an apocalyptic number.

133812317318 is a deficient number, since it is larger than the sum of its proper divisors (67481284282).

133812317318 is a wasteful number, since it uses less digits than its factorization.

133812317318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191708542.

The product of its digits is 72576, while the sum is 41.

The spelling of 133812317318 in words is "one hundred thirty-three billion, eight hundred twelve million, three hundred seventeen thousand, three hundred eighteen".