133112160 has 120 divisors (see below), whose sum is σ = 469820736. Its totient is φ = 35493120.

The previous prime is 133112143. The next prime is 133112191. The reversal of 133112160 is 61211331.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7825 + ... + 18095.

Almost surely, 2^133112160 is an apocalyptic number.

133112160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133112160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234910368).

133112160 is an abundant number, since it is smaller than the sum of its proper divisors (336708576).

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

133112160 is a wasteful number, since it uses less digits than its factorization.

133112160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10298 (or 10281 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 133112160 is about 11537.4243226120. The cubic root of 133112160 is about 510.5903199072.

Adding to 133112160 its reverse (61211331), we get a palindrome (194323491).

The spelling of 133112160 in words is "one hundred thirty-three million, one hundred twelve thousand, one hundred sixty".