133887832 has 32 divisors (see below), whose sum is σ = 284583600. Its totient is φ = 58541184.

The previous prime is 133887829. The next prime is 133887833. The reversal of 133887832 is 238788331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133887833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31903 + ... + 35854.

Almost surely, 2^133887832 is an apocalyptic number.

It is an amenable number.

133887832 is an abundant number, since it is smaller than the sum of its proper divisors (150695768).

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

133887832 is a wasteful number, since it uses less digits than its factorization.

133887832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67795 (or 67791 counting only the distinct ones).

The product of its digits is 193536, while the sum is 43.

The square root of 133887832 is about 11570.9909687978. The cubic root of 133887832 is about 511.5801713876.

The spelling of 133887832 in words is "one hundred thirty-three million, eight hundred eighty-seven thousand, eight hundred thirty-two".