133853891120 has 80 divisors (see below), whose sum is σ = 312502602720. Its totient is φ = 53319555072.

The previous prime is 133853891113. The next prime is 133853891137. The reversal of 133853891120 is 21198358331.

It is a tau number, because it is divible by the number of its divisors (80).

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, 43052126 + ... + 43055234.

It is an arithmetic number, because the mean of its divisors is an integer number (3906282534).

Almost surely, 2^133853891120 is an apocalyptic number.

133853891120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133853891120 is an abundant number, since it is smaller than the sum of its proper divisors (178648711600).

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

133853891120 is a wasteful number, since it uses less digits than its factorization.

133853891120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5182 (or 5176 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 44.

The spelling of 133853891120 in words is "one hundred thirty-three billion, eight hundred fifty-three million, eight hundred ninety-one thousand, one hundred twenty".