133099861018 has 16 divisors (see below), whose sum is σ = 200235672000. Its totient is φ = 66354692832.

The previous prime is 133099861009. The next prime is 133099861019. The reversal of 133099861018 is 810168990331.

It is not an unprimeable number, because it can be changed into a prime (133099861019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8384773 + ... + 8400631.

It is an arithmetic number, because the mean of its divisors is an integer number (12514729500).

Almost surely, 2^133099861018 is an apocalyptic number.

133099861018 is a deficient number, since it is larger than the sum of its proper divisors (67135810982).

133099861018 is a wasteful number, since it uses less digits than its factorization.

133099861018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27909.

The product of its (nonzero) digits is 279936, while the sum is 49.

The spelling of 133099861018 in words is "one hundred thirty-three billion, ninety-nine million, eight hundred sixty-one thousand, eighteen".