133656242656331 has 8 divisors (see below), whose sum is σ = 134211806252304. Its totient is φ = 133100687105280.

The previous prime is 133656242656319. The next prime is 133656242656333.

133656242656331 is nontrivially palindromic in base 10.

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 133656242656331 - 2²² = 133656238462027 is a prime.

It is a super-2 number, since 2×133656242656331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133656242656333) 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, 32514455 + ... + 36393711.

It is an arithmetic number, because the mean of its divisors is an integer number (16776475781538).

Almost surely, 2^{133656242656331} is an apocalyptic number.

133656242656331 is a deficient number, since it is larger than the sum of its proper divisors (555563595973).

133656242656331 is a wasteful number, since it uses less digits than its factorization.

133656242656331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4022461.

The product of its digits is 41990400, while the sum is 56.

The spelling of 133656242656331 in words is "one hundred thirty-three trillion, six hundred fifty-six billion, two hundred forty-two million, six hundred fifty-six thousand, three hundred thirty-one".