133618834693 has 8 divisors (see below), whose sum is σ = 140660223200. Its totient is φ = 126578328048.

The previous prime is 133618834691. The next prime is 133618834711. The reversal of 133618834693 is 396438816331.

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 133618834693 - 2¹ = 133618834691 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 (133618834691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102718 + ... + 527056.

It is an arithmetic number, because the mean of its divisors is an integer number (17582527900).

Almost surely, 2^133618834693 is an apocalyptic number.

It is an amenable number.

133618834693 is a deficient number, since it is larger than the sum of its proper divisors (7041388507).

133618834693 is a wasteful number, since it uses less digits than its factorization.

133618834693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440931.

The product of its digits is 6718464, while the sum is 55.

The spelling of 133618834693 in words is "one hundred thirty-three billion, six hundred eighteen million, eight hundred thirty-four thousand, six hundred ninety-three".