133780852 has 12 divisors (see below), whose sum is σ = 234204516. Its totient is φ = 66865280.

The previous prime is 133780831. The next prime is 133780853. The reversal of 133780852 is 258087331.

133780852 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 118461456 + 15319396 = 10884^2 + 3914^2 .

133780852 is strictly pandigital in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133780853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10908 + ... + 19660.

It is an arithmetic number, because the mean of its divisors is an integer number (19517043).

Almost surely, 2^133780852 is an apocalyptic number.

It is an amenable number.

133780852 is a deficient number, since it is larger than the sum of its proper divisors (100423664).

133780852 is a wasteful number, since it uses less digits than its factorization.

133780852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12578 (or 12576 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 133780852 is about 11566.3672775855. The cubic root of 133780852 is about 511.4438796151.

The spelling of 133780852 in words is "one hundred thirty-three million, seven hundred eighty thousand, eight hundred fifty-two".