140368 has 20 divisors (see below), whose sum is σ = 281728. Its totient is φ = 67680.

The previous prime is 140363. The next prime is 140381. The reversal of 140368 is 863041.

140368 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355 + ... + 637.

2¹⁴⁰³⁶⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140864).

140368 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

140368 is a wasteful number, since it uses less digits than its factorization.

140368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322 (or 316 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 140368 is about 374.6571766295. The cubic root of 140368 is about 51.9703973521.

The spelling of 140368 in words is "one hundred forty thousand, three hundred sixty-eight".