133168975724 has 48 divisors (see below), whose sum is σ = 236429276160. Its totient is φ = 65626122240.

The previous prime is 133168975717. The next prime is 133168975727. The reversal of 133168975724 is 427579861331.

It is a self number, because there is not a number n which added to its sum of digits gives 133168975724.

It is not an unprimeable number, because it can be changed into a prime (133168975727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62314784 + ... + 62316920.

It is an arithmetic number, because the mean of its divisors is an integer number (4925609920).

Almost surely, 2^133168975724 is an apocalyptic number.

It is an amenable number.

133168975724 is a deficient number, since it is larger than the sum of its proper divisors (103260300436).

133168975724 is a wasteful number, since it uses less digits than its factorization.

133168975724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3018 (or 3016 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 56.

The spelling of 133168975724 in words is "one hundred thirty-three billion, one hundred sixty-eight million, nine hundred seventy-five thousand, seven hundred twenty-four".