133002172000 has 48 divisors (see below), whose sum is σ = 326786346432. Its totient is φ = 53200867200.

The previous prime is 133002171949. The next prime is 133002172001. The reversal of 133002172000 is 271200331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133002172001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16621272 + ... + 16629271.

It is an arithmetic number, because the mean of its divisors is an integer number (6808048884).

Almost surely, 2^133002172000 is an apocalyptic number.

133002172000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133002172000 is an abundant number, since it is smaller than the sum of its proper divisors (193784174432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133002172000 is an equidigital number, since it uses as much as digits as its factorization.

133002172000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33250568 (or 33250550 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 19.

Adding to 133002172000 its reverse (271200331), we get a palindrome (133273372331).

The spelling of 133002172000 in words is "one hundred thirty-three billion, two million, one hundred seventy-two thousand".