133268856 has 64 divisors (see below), whose sum is σ = 381715200. Its totient is φ = 37982208.

The previous prime is 133268809. The next prime is 133268879. The reversal of 133268856 is 658862331.

133268856 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93880 + ... + 95288.

It is an arithmetic number, because the mean of its divisors is an integer number (5964300).

Almost surely, 2^133268856 is an apocalyptic number.

It is an amenable number.

133268856 is an abundant number, since it is smaller than the sum of its proper divisors (248446344).

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

133268856 is a wasteful number, since it uses less digits than its factorization.

133268856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1988 (or 1984 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 133268856 is about 11544.2130957463. The cubic root of 133268856 is about 510.7905923368.

The spelling of 133268856 in words is "one hundred thirty-three million, two hundred sixty-eight thousand, eight hundred fifty-six".