133792717971 has 32 divisors (see below), whose sum is σ = 201369254400. Its totient is φ = 78270554880.

The previous prime is 133792717901. The next prime is 133792717979. The reversal of 133792717971 is 179717297331.

It is a happy number.

It is not a de Polignac number, because 133792717971 - 2¹⁰ = 133792716947 is a prime.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (133792717979) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4309215 + ... + 4340151.

It is an arithmetic number, because the mean of its divisors is an integer number (6292789200).

Almost surely, 2^133792717971 is an apocalyptic number.

133792717971 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

133792717971 is a deficient number, since it is larger than the sum of its proper divisors (67576536429).

133792717971 is a wasteful number, since it uses less digits than its factorization.

133792717971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35499.

The product of its digits is 3500658, while the sum is 57.

The spelling of 133792717971 in words is "one hundred thirty-three billion, seven hundred ninety-two million, seven hundred seventeen thousand, nine hundred seventy-one".