133433132 has 12 divisors (see below), whose sum is σ = 266866320. Its totient is φ = 57185616.

The previous prime is 133433129. The next prime is 133433159. The reversal of 133433132 is 231334331.

133433132 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 133433098 and 133433107.

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, 2382707 + ... + 2382762.

It is an arithmetic number, because the mean of its divisors is an integer number (22238860).

Almost surely, 2^133433132 is an apocalyptic number.

It is an amenable number.

133433132 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.

133433132 is a wasteful number, since it uses less digits than its factorization.

133433132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4765480 (or 4765478 counting only the distinct ones).

The product of its digits is 1944, while the sum is 23.

The square root of 133433132 is about 11551.3259844920. The cubic root of 133433132 is about 511.0003842405. Note that the first 3 decimals are identical.

Adding to 133433132 its reverse (231334331), we get a palindrome (364767463).

The spelling of 133433132 in words is "one hundred thirty-three million, four hundred thirty-three thousand, one hundred thirty-two".