133705727999 has 8 divisors (see below), whose sum is σ = 135091741680. Its totient is φ = 132319869696.

The previous prime is 133705727993. The next prime is 133705728017. The reversal of 133705727999 is 999727507331.

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

It is a de Polignac number, because none of the positive numbers 2^k-133705727999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133705727993) 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, 2646257 + ... + 2696309.

It is an arithmetic number, because the mean of its divisors is an integer number (16886467710).

Almost surely, 2^133705727999 is an apocalyptic number.

133705727999 is a deficient number, since it is larger than the sum of its proper divisors (1386013681).

133705727999 is an equidigital number, since it uses as much as digits as its factorization.

133705727999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77689.

The product of its (nonzero) digits is 22504230, while the sum is 62.

The spelling of 133705727999 in words is "one hundred thirty-three billion, seven hundred five million, seven hundred twenty-seven thousand, nine hundred ninety-nine".