133789224 has 16 divisors (see below), whose sum is σ = 334473120. Its totient is φ = 44596400.

The previous prime is 133789219. The next prime is 133789237. The reversal of 133789224 is 422987331.

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, 2787252 + ... + 2787299.

It is an arithmetic number, because the mean of its divisors is an integer number (20904570).

Almost surely, 2^133789224 is an apocalyptic number.

It is an amenable number.

133789224 is an abundant number, since it is smaller than the sum of its proper divisors (200683896).

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

133789224 is a wasteful number, since it uses less digits than its factorization.

133789224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5574560 (or 5574556 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 133789224 is about 11566.7291833085. The cubic root of 133789224 is about 511.4545481046.

The spelling of 133789224 in words is "one hundred thirty-three million, seven hundred eighty-nine thousand, two hundred twenty-four".