140868 has 72 divisors (see below), whose sum is σ = 448448. Its totient is φ = 36288.

The previous prime is 140867. The next prime is 140869. The reversal of 140868 is 868041.

It is an interprime number because it is at equal distance from previous prime (140867) and next prime (140869).

It is not an unprimeable number, because it can be changed into a prime (140863) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3255 + ... + 3297.

2¹⁴⁰⁸⁶⁸ is an apocalyptic number.

140868 is a gapful number since it is divisible by the number (18) 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 140868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224224).

140868 is an abundant number, since it is smaller than the sum of its proper divisors (307580).

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

140868 is a wasteful number, since it uses less digits than its factorization.

140868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 140868 is about 375.3238601528. The cubic root of 140868 is about 52.0320315468.

The spelling of 140868 in words is "one hundred forty thousand, eight hundred sixty-eight".