133528352 has 24 divisors (see below), whose sum is σ = 276721200. Its totient is φ = 63249984.

The previous prime is 133528337. The next prime is 133528361. The reversal of 133528352 is 253825331.

133528352 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109202 + ... + 110417.

It is an arithmetic number, because the mean of its divisors is an integer number (11530050).

Almost surely, 2^133528352 is an apocalyptic number.

It is an amenable number.

133528352 is an abundant number, since it is smaller than the sum of its proper divisors (143192848).

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

133528352 is a wasteful number, since it uses less digits than its factorization.

133528352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219648 (or 219640 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

The square root of 133528352 is about 11555.4468541896. The cubic root of 133528352 is about 511.1219079985.

The spelling of 133528352 in words is "one hundred thirty-three million, five hundred twenty-eight thousand, three hundred fifty-two".