133836788 has 12 divisors (see below), whose sum is σ = 237710592. Its totient is φ = 65919480.

The previous prime is 133836763. The next prime is 133836797. The reversal of 133836788 is 887638331.

133836788 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 an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249428 + ... + 249963.

It is an arithmetic number, because the mean of its divisors is an integer number (19809216).

Almost surely, 2^133836788 is an apocalyptic number.

It is an amenable number.

133836788 is a deficient number, since it is larger than the sum of its proper divisors (103873804).

133836788 is a wasteful number, since it uses less digits than its factorization.

133836788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499462 (or 499460 counting only the distinct ones).

The product of its digits is 580608, while the sum is 47.

The square root of 133836788 is about 11568.7850701791. The cubic root of 133836788 is about 511.5151507479.

The spelling of 133836788 in words is "one hundred thirty-three million, eight hundred thirty-six thousand, seven hundred eighty-eight".