133080018918 has 128 divisors (see below), whose sum is σ = 350140354560. Its totient is φ = 32668272000.

The previous prime is 133080018887. The next prime is 133080018931. The reversal of 133080018918 is 819810080331.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 133080018918.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3677533 + ... + 3713543.

It is an arithmetic number, because the mean of its divisors is an integer number (2735471520).

Almost surely, 2^133080018918 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133080018918, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175070177280).

133080018918 is an abundant number, since it is smaller than the sum of its proper divisors (217060335642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133080018918 is a wasteful number, since it uses less digits than its factorization.

133080018918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36474.

The product of its (nonzero) digits is 41472, while the sum is 42.

The spelling of 133080018918 in words is "one hundred thirty-three billion, eighty million, eighteen thousand, nine hundred eighteen".