240140 has 12 divisors (see below), whose sum is σ = 504336. Its totient is φ = 96048.

The previous prime is 240139. The next prime is 240151. The reversal of 240140 is 41042.

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, 5984 + ... + 6023.

It is an arithmetic number, because the mean of its divisors is an integer number (42028).

2²⁴⁰¹⁴⁰ is an apocalyptic number.

240140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240140 is an abundant number, since it is smaller than the sum of its proper divisors (264196).

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

240140 is a wasteful number, since it uses less digits than its factorization.

240140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12016 (or 12014 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 240140 is about 490.0408146267. The cubic root of 240140 is about 62.1567314522.

Adding to 240140 its reverse (41042), we get a palindrome (281182).

The spelling of 240140 in words is "two hundred forty thousand, one hundred forty", and thus it is an iban number.