133160128 has 56 divisors (see below), whose sum is σ = 279586944. Its totient is φ = 62822400.

The previous prime is 133160119. The next prime is 133160143. The reversal of 133160128 is 821061331.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 80526 + ... + 82162.

It is an arithmetic number, because the mean of its divisors is an integer number (4992624).

Almost surely, 2^133160128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133160128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139793472).

133160128 is an abundant number, since it is smaller than the sum of its proper divisors (146426816).

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

133160128 is a wasteful number, since it uses less digits than its factorization.

133160128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1721 (or 1711 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 133160128 is about 11539.5029355688. The cubic root of 133160128 is about 510.6516442698.

The spelling of 133160128 in words is "one hundred thirty-three million, one hundred sixty thousand, one hundred twenty-eight".