133065140 has 48 divisors (see below), whose sum is σ = 302279040. Its totient is φ = 48912000.

The previous prime is 133065089. The next prime is 133065157. The reversal of 133065140 is 41560331.

It is a happy number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 64241 + ... + 66279.

It is an arithmetic number, because the mean of its divisors is an integer number (6297480).

Almost surely, 2^133065140 is an apocalyptic number.

133065140 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 133065140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151139520).

133065140 is an abundant number, since it is smaller than the sum of its proper divisors (169213900).

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

133065140 is a wasteful number, since it uses less digits than its factorization.

133065140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2312 (or 2310 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 133065140 is about 11535.3864261237. The cubic root of 133065140 is about 510.5301932085.

The spelling of 133065140 in words is "one hundred thirty-three million, sixty-five thousand, one hundred forty".