133305605913678 has 32 divisors (see below), whose sum is σ = 290849058236160. Its totient is φ = 40395573778560.

The previous prime is 133305605913661. The next prime is 133305605913709. The reversal of 133305605913678 is 876319506503331.

It is a super-3 number, since 3×133305605913678³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55190151 + ... + 57554877.

It is an arithmetic number, because the mean of its divisors is an integer number (9089033069880).

Almost surely, 2^{133305605913678} is an apocalyptic number.

133305605913678 is an abundant number, since it is smaller than the sum of its proper divisors (157543452322482).

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

133305605913678 is a wasteful number, since it uses less digits than its factorization.

133305605913678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3218872.

The product of its (nonzero) digits is 36741600, while the sum is 60.

The spelling of 133305605913678 in words is "one hundred thirty-three trillion, three hundred five billion, six hundred five million, nine hundred thirteen thousand, six hundred seventy-eight".