133288173356428 has 24 divisors (see below), whose sum is σ = 234118188279360. Its totient is φ = 66397269075840.

The previous prime is 133288173356423. The next prime is 133288173356453. The reversal of 133288173356428 is 824653371882331.

It is a self number, because there is not a number n which added to its sum of digits gives 133288173356428.

It is not an unprimeable number, because it can be changed into a prime (133288173356423) 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, 83230938 + ... + 84817246.

It is an arithmetic number, because the mean of its divisors is an integer number (9754924511640).

Almost surely, 2^{133288173356428} is an apocalyptic number.

It is an amenable number.

133288173356428 is a deficient number, since it is larger than the sum of its proper divisors (100830014922932).

133288173356428 is a wasteful number, since it uses less digits than its factorization.

133288173356428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1664097 (or 1664095 counting only the distinct ones).

The product of its digits is 139345920, while the sum is 64.

The spelling of 133288173356428 in words is "one hundred thirty-three trillion, two hundred eighty-eight billion, one hundred seventy-three million, three hundred fifty-six thousand, four hundred twenty-eight".