133866856328 has 64 divisors (see below), whose sum is σ = 266294515200. Its totient is φ = 62977512960.

The previous prime is 133866856307. The next prime is 133866856367. The reversal of 133866856328 is 823658668331.

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 15 ways as a sum of consecutive naturals, for example, 14759651 + ... + 14768717.

It is an arithmetic number, because the mean of its divisors is an integer number (4160851800).

Almost surely, 2^133866856328 is an apocalyptic number.

It is an amenable number.

133866856328 is a deficient number, since it is larger than the sum of its proper divisors (132427658872).

133866856328 is a wasteful number, since it uses less digits than its factorization.

133866856328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10750 (or 10746 counting only the distinct ones).

The product of its digits is 29859840, while the sum is 59.

The spelling of 133866856328 in words is "one hundred thirty-three billion, eight hundred sixty-six million, eight hundred fifty-six thousand, three hundred twenty-eight".