180140 has 12 divisors (see below), whose sum is σ = 378336. Its totient is φ = 72048.

The previous prime is 180137. The next prime is 180161. The reversal of 180140 is 41081.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4484 + ... + 4523.

It is an arithmetic number, because the mean of its divisors is an integer number (31528).

2¹⁸⁰¹⁴⁰ is an apocalyptic number.

180140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

180140 is an abundant number, since it is smaller than the sum of its proper divisors (198196).

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

180140 is a wasteful number, since it uses less digits than its factorization.

180140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9016 (or 9014 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 180140 is about 424.4290282250. The cubic root of 180140 is about 56.4767962776.

It can be divided in two parts, 180 and 140, that multiplied together give a triangular number (25200 = T₂₂₄).

The spelling of 180140 in words is "one hundred eighty thousand, one hundred forty".