133541552 has 20 divisors (see below), whose sum is σ = 267084096. Its totient is φ = 64616640.

The previous prime is 133541539. The next prime is 133541567. The reversal of 133541552 is 255145331.

133541552 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

133541552 is an admirable number.

It is a super-2 number, since 2×133541552² = 35666692221137408, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134123 + ... + 135114.

Almost surely, 2^133541552 is an apocalyptic number.

It is an amenable number.

133541552 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

133541552 is a wasteful number, since it uses less digits than its factorization.

133541552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269276 (or 269270 counting only the distinct ones).

The product of its digits is 9000, while the sum is 29.

The square root of 133541552 is about 11556.0179992937. The cubic root of 133541552 is about 511.1387498321.

Adding to 133541552 its reverse (255145331), we get a palindrome (388686883).

The spelling of 133541552 in words is "one hundred thirty-three million, five hundred forty-one thousand, five hundred fifty-two".