133225176 has 64 divisors (see below), whose sum is σ = 383143680. Its totient is φ = 37814400.

The previous prime is 133225171. The next prime is 133225201. The reversal of 133225176 is 671522331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133225171) 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, 23851 + ... + 28901.

It is an arithmetic number, because the mean of its divisors is an integer number (5986620).

Almost surely, 2^133225176 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133225176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191571840).

133225176 is an abundant number, since it is smaller than the sum of its proper divisors (249918504).

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

133225176 is a wasteful number, since it uses less digits than its factorization.

133225176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5224 (or 5220 counting only the distinct ones).

The product of its digits is 7560, while the sum is 30.

The square root of 133225176 is about 11542.3210837335. The cubic root of 133225176 is about 510.7347809198.

The spelling of 133225176 in words is "one hundred thirty-three million, two hundred twenty-five thousand, one hundred seventy-six".