133505852 has 6 divisors (see below), whose sum is σ = 233635248. Its totient is φ = 66752924.

The previous prime is 133505851. The next prime is 133505861. The reversal of 133505852 is 258505331.

133505852 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133505851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16688228 + ... + 16688235.

It is an arithmetic number, because the mean of its divisors is an integer number (38939208).

Almost surely, 2^133505852 is an apocalyptic number.

It is an amenable number.

133505852 is a deficient number, since it is larger than the sum of its proper divisors (100129396).

133505852 is a wasteful number, since it uses less digits than its factorization.

133505852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33376467 (or 33376465 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 133505852 is about 11554.4732463233. The cubic root of 133505852 is about 511.0931977689.

The spelling of 133505852 in words is "one hundred thirty-three million, five hundred five thousand, eight hundred fifty-two".