140781368 has 32 divisors (see below), whose sum is σ = 324881760. Its totient is φ = 55693440.

The previous prime is 140781349. The next prime is 140781379. The reversal of 140781368 is 863187041.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95963 + ... + 97418.

It is an arithmetic number, because the mean of its divisors is an integer number (10152555).

Almost surely, 2^140781368 is an apocalyptic number.

It is an amenable number.

140781368 is an abundant number, since it is smaller than the sum of its proper divisors (184100392).

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

140781368 is a wasteful number, since it uses less digits than its factorization.

140781368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193407 (or 193403 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 140781368 is about 11865.1324476383. The cubic root of 140781368 is about 520.2136301716.

The spelling of 140781368 in words is "one hundred forty million, seven hundred eighty-one thousand, three hundred sixty-eight".