133448576 has 32 divisors (see below), whose sum is σ = 277419600. Its totient is φ = 63821824.

The previous prime is 133448561. The next prime is 133448597. The reversal of 133448576 is 675844331.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

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, 19721 + ... + 25608.

Almost surely, 2^133448576 is an apocalyptic number.

133448576 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

133448576 is an abundant number, since it is smaller than the sum of its proper divisors (143971024).

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

133448576 is an equidigital number, since it uses as much as digits as its factorization.

133448576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45366 (or 45354 counting only the distinct ones).

The product of its digits is 241920, while the sum is 41.

The square root of 133448576 is about 11551.9944598325. The cubic root of 133448576 is about 511.0200984483.

The spelling of 133448576 in words is "one hundred thirty-three million, four hundred forty-eight thousand, five hundred seventy-six".