133448552 has 64 divisors (see below), whose sum is σ = 275251200. Its totient is φ = 60419520.

The previous prime is 133448527. The next prime is 133448561. The reversal of 133448552 is 255844331.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 598313 + ... + 598535.

It is an arithmetic number, because the mean of its divisors is an integer number (4300800).

Almost surely, 2^133448552 is an apocalyptic number.

It is an amenable number.

133448552 is an abundant number, since it is smaller than the sum of its proper divisors (141802648).

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

133448552 is a wasteful number, since it uses less digits than its factorization.

133448552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406 (or 402 counting only the distinct ones).

The product of its digits is 57600, while the sum is 35.

The square root of 133448552 is about 11551.9934210508. The cubic root of 133448552 is about 511.0200678136.

The spelling of 133448552 in words is "one hundred thirty-three million, four hundred forty-eight thousand, five hundred fifty-two".