133976171218 has 8 divisors (see below), whose sum is σ = 201088390320. Its totient is φ = 66946707780.

The previous prime is 133976171207. The next prime is 133976171257. The reversal of 133976171218 is 812171679331.

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

It is a super-2 number, since 2×133976171218² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20684868 + ... + 20691343.

It is an arithmetic number, because the mean of its divisors is an integer number (25136048790).

Almost surely, 2^133976171218 is an apocalyptic number.

133976171218 is a deficient number, since it is larger than the sum of its proper divisors (67112219102).

133976171218 is a wasteful number, since it uses less digits than its factorization.

133976171218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41377832.

The product of its digits is 381024, while the sum is 49.

The spelling of 133976171218 in words is "one hundred thirty-three billion, nine hundred seventy-six million, one hundred seventy-one thousand, two hundred eighteen".