132161040 has 360 divisors, whose sum is σ = 513264024. Its totient is φ = 30412800.

The previous prime is 132161027. The next prime is 132161041. The reversal of 132161040 is 40161231.

It is a happy number.

132161040 is a `hidden beast` number, since 13 + 2 + 1 + 610 + 40 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 9217296 + 122943744 = 3036^2 + 11088^2 .

It is a tau number, because it is divible by the number of its divisors (360).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132161041) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3223420 + ... + 3223460.

Almost surely, 2^132161040 is an apocalyptic number.

132161040 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 132161040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256632012).

132161040 is an abundant number, since it is smaller than the sum of its proper divisors (381102984).

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

132161040 is a wasteful number, since it uses less digits than its factorization.

132161040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 132161040 is about 11496.1315232560. The cubic root of 132161040 is about 509.3713129822.

The spelling of 132161040 in words is "one hundred thirty-two million, one hundred sixty-one thousand, forty".