133705728001 has 8 divisors (see below), whose sum is σ = 142058227680. Its totient is φ = 125484763968.

The previous prime is 133705727993. The next prime is 133705728017. The reversal of 133705728001 is 100827507331.

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

It is a cyclic number.

It is not a de Polignac number, because 133705728001 - 2³ = 133705727993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133705728071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32881816 + ... + 32885881.

It is an arithmetic number, because the mean of its divisors is an integer number (17757278460).

Almost surely, 2^133705728001 is an apocalyptic number.

It is an amenable number.

133705728001 is a deficient number, since it is larger than the sum of its proper divisors (8352499679).

133705728001 is a wasteful number, since it uses less digits than its factorization.

133705728001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65767823.

The product of its (nonzero) digits is 35280, while the sum is 37.

The spelling of 133705728001 in words is "one hundred thirty-three billion, seven hundred five million, seven hundred twenty-eight thousand, one".