133268576 has 96 divisors (see below), whose sum is σ = 322237440. Its totient is φ = 52955136.

The previous prime is 133268557. The next prime is 133268579. The reversal of 133268576 is 675862331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133268579) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300611 + ... + 301053.

It is an arithmetic number, because the mean of its divisors is an integer number (3356640).

Almost surely, 2^133268576 is an apocalyptic number.

133268576 is a gapful number since it is divisible by the number (16) 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 133268576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161118720).

133268576 is an abundant number, since it is smaller than the sum of its proper divisors (188968864).

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

133268576 is a wasteful number, since it uses less digits than its factorization.

133268576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556 (or 548 counting only the distinct ones).

The product of its digits is 181440, while the sum is 41.

The square root of 133268576 is about 11544.2009684516. The cubic root of 133268576 is about 510.7902346101.

The spelling of 133268576 in words is "one hundred thirty-three million, two hundred sixty-eight thousand, five hundred seventy-six".