133473780218 has 16 divisors (see below), whose sum is σ = 200772124416. Its totient is φ = 66549875280.

The previous prime is 133473780217. The next prime is 133473780287. The reversal of 133473780218 is 812087374331.

It is not an unprimeable number, because it can be changed into a prime (133473780211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2007455 + ... + 2072877.

It is an arithmetic number, because the mean of its divisors is an integer number (12548257776).

Almost surely, 2^133473780218 is an apocalyptic number.

133473780218 is a deficient number, since it is larger than the sum of its proper divisors (67298344198).

133473780218 is a wasteful number, since it uses less digits than its factorization.

133473780218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68269.

The product of its (nonzero) digits is 677376, while the sum is 47.

The spelling of 133473780218 in words is "one hundred thirty-three billion, four hundred seventy-three million, seven hundred eighty thousand, two hundred eighteen".