133433632 has 24 divisors (see below), whose sum is σ = 262975356. Its totient is φ = 66646272.

The previous prime is 133433627. The next prime is 133433653. The reversal of 133433632 is 236334331.

It can be written as a sum of positive squares in 2 ways, for example, as 99281296 + 34152336 = 9964^2 + 5844^2 .

It is a super-2 number, since 2×133433632² = 35609068297422848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133433632.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42418 + ... + 45454.

Almost surely, 2^133433632 is an apocalyptic number.

It is an amenable number.

133433632 is a deficient number, since it is larger than the sum of its proper divisors (129541724).

133433632 is a wasteful number, since it uses less digits than its factorization.

133433632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4420 (or 4412 counting only the distinct ones).

The product of its digits is 11664, while the sum is 28.

The square root of 133433632 is about 11551.3476270087. The cubic root of 133433632 is about 511.0010225124.

Adding to 133433632 its reverse (236334331), we get a palindrome (369767963).

The spelling of 133433632 in words is "one hundred thirty-three million, four hundred thirty-three thousand, six hundred thirty-two".