133297383672 has 96 divisors (see below), whose sum is σ = 374761186800. Its totient is φ = 44387771904.

The previous prime is 133297383643. The next prime is 133297383677. The reversal of 133297383672 is 276383792331.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133297383677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1927518 + ... + 1995474.

Almost surely, 2^133297383672 is an apocalyptic number.

133297383672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133297383672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187380593400).

133297383672 is an abundant number, since it is smaller than the sum of its proper divisors (241463803128).

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

133297383672 is a wasteful number, since it uses less digits than its factorization.

133297383672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68987 (or 68971 counting only the distinct ones).

The product of its digits is 6858432, while the sum is 54.

The spelling of 133297383672 in words is "one hundred thirty-three billion, two hundred ninety-seven million, three hundred eighty-three thousand, six hundred seventy-two".