240000140 has 36 divisors (see below), whose sum is σ = 520824528. Its totient is φ = 92895840.

The previous prime is 240000127. The next prime is 240000149. The reversal of 240000140 is 41000042.

It is not an unprimeable number, because it can be changed into a prime (240000149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12977 + ... + 25463.

It is an arithmetic number, because the mean of its divisors is an integer number (14467348).

Almost surely, 2^240000140 is an apocalyptic number.

240000140 is a gapful number since it is divisible by the number (20) 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 240000140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260412264).

240000140 is an abundant number, since it is smaller than the sum of its proper divisors (280824388).

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

240000140 is a wasteful number, since it uses less digits than its factorization.

240000140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12558 (or 12525 counting only the distinct ones).

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

The square root of 240000140 is about 15491.9379033096. The cubic root of 240000140 is about 621.4466220276.

Adding to 240000140 its reverse (41000042), we get a palindrome (281000182).

The spelling of 240000140 in words is "two hundred forty million, one hundred forty", and thus it is an aban number.