133508220455018 has 8 divisors (see below), whose sum is σ = 200285142228480. Its totient is φ = 66746506378860.

The previous prime is 133508220455017. The next prime is 133508220455023. The reversal of 133508220455018 is 810554022805331.

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

It is a super-2 number, since 2×133508220455018² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133508220455017) 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, 3801902378 + ... + 3801937493.

It is an arithmetic number, because the mean of its divisors is an integer number (25035642778560).

Almost surely, 2^{133508220455018} is an apocalyptic number.

133508220455018 is a deficient number, since it is larger than the sum of its proper divisors (66776921773462).

133508220455018 is an equidigital number, since it uses as much as digits as its factorization.

133508220455018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7603848652.

The product of its (nonzero) digits is 1152000, while the sum is 47.

The spelling of 133508220455018 in words is "one hundred thirty-three trillion, five hundred eight billion, two hundred twenty million, four hundred fifty-five thousand, eighteen".