133976171217 has 64 divisors (see below), whose sum is σ = 217802649600. Its totient is φ = 71640226560.

The previous prime is 133976171207. The next prime is 133976171257. The reversal of 133976171217 is 712171679331.

It is not a de Polignac number, because 133976171217 - 2¹⁰ = 133976170193 is a prime.

It is a super-2 number, since 2×133976171217² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133976171207) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2524843 + ... + 2577359.

It is an arithmetic number, because the mean of its divisors is an integer number (3403166400).

Almost surely, 2^133976171217 is an apocalyptic number.

It is an amenable number.

133976171217 is a deficient number, since it is larger than the sum of its proper divisors (83826478383).

133976171217 is a wasteful number, since it uses less digits than its factorization.

133976171217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52686.

The product of its digits is 333396, while the sum is 48.

The spelling of 133976171217 in words is "one hundred thirty-three billion, nine hundred seventy-six million, one hundred seventy-one thousand, two hundred seventeen".