133563452 has 24 divisors (see below), whose sum is σ = 255612672. Its totient is φ = 60561200.

The previous prime is 133563421. The next prime is 133563481. The reversal of 133563452 is 254365331.

It is a super-4 number, since 4×133563452⁴ (a number of 34 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15443 + ... + 22485.

It is an arithmetic number, because the mean of its divisors is an integer number (10650528).

Almost surely, 2^133563452 is an apocalyptic number.

It is an amenable number.

133563452 is a deficient number, since it is larger than the sum of its proper divisors (122049220).

133563452 is a wasteful number, since it uses less digits than its factorization.

133563452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7489 (or 7487 counting only the distinct ones).

The product of its digits is 32400, while the sum is 32.

The square root of 133563452 is about 11556.9655186818. The cubic root of 133563452 is about 511.1666895173.

The spelling of 133563452 in words is "one hundred thirty-three million, five hundred sixty-three thousand, four hundred fifty-two".