133728946541171 has 8 divisors (see below), whose sum is σ = 134469256076064. Its totient is φ = 132988653221760.

The previous prime is 133728946541119. The next prime is 133728946541209. The reversal of 133728946541171 is 171145649827331.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133728946541171 is a prime.

It is a super-2 number, since 2×133728946541171² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133728946541371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12676346 + ... + 20691728.

It is an arithmetic number, because the mean of its divisors is an integer number (16808657009508).

Almost surely, 2^{133728946541171} is an apocalyptic number.

133728946541171 is a deficient number, since it is larger than the sum of its proper divisors (740309534893).

133728946541171 is an equidigital number, since it uses as much as digits as its factorization.

133728946541171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8107741.

The product of its digits is 30481920, while the sum is 62.

The spelling of 133728946541171 in words is "one hundred thirty-three trillion, seven hundred twenty-eight billion, nine hundred forty-six million, five hundred forty-one thousand, one hundred seventy-one".