133156661083823 has 8 divisors (see below), whose sum is σ = 143400603958416. Its totient is φ = 122912878608000.

The previous prime is 133156661083813. The next prime is 133156661083843. The reversal of 133156661083823 is 328380166651331.

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

It is not a de Polignac number, because 133156661083823 - 2¹⁰ = 133156661082799 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 (133156661083813) 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, 38372753 + ... + 41698698.

It is an arithmetic number, because the mean of its divisors is an integer number (17925075494802).

Almost surely, 2^{133156661083823} is an apocalyptic number.

133156661083823 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

133156661083823 is a deficient number, since it is larger than the sum of its proper divisors (10243942874593).

133156661083823 is a wasteful number, since it uses less digits than its factorization.

133156661083823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80199385.

The product of its (nonzero) digits is 11197440, while the sum is 56.

The spelling of 133156661083823 in words is "one hundred thirty-three trillion, one hundred fifty-six billion, six hundred sixty-one million, eighty-three thousand, eight hundred twenty-three".