133502852 has 18 divisors (see below), whose sum is σ = 271774062. Its totient is φ = 57215424.

The previous prime is 133502851. The next prime is 133502857. The reversal of 133502852 is 258205331.

133502852 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 118026496 + 15476356 = 10864^2 + 3934^2 .

It is a super-2 number, since 2×133502852² = 35646022984267808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133502851) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 340373 + ... + 340764.

It is an arithmetic number, because the mean of its divisors is an integer number (15098559).

Almost surely, 2^133502852 is an apocalyptic number.

It is an amenable number.

133502852 is an abundant number, since it is smaller than the sum of its proper divisors (138271210).

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

133502852 is a wasteful number, since it uses less digits than its factorization.

133502852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681155 (or 681146 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 133502852 is about 11554.3434257425. The cubic root of 133502852 is about 511.0893694945.

The spelling of 133502852 in words is "one hundred thirty-three million, five hundred two thousand, eight hundred fifty-two".