140318720 has 96 divisors (see below), whose sum is σ = 343193760. Its totient is φ = 55050240.

The previous prime is 140318707. The next prime is 140318747. The reversal of 140318720 is 27813041.

It is a self number, because there is not a number n which added to its sum of digits gives 140318720.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 726944 + ... + 727136.

It is an arithmetic number, because the mean of its divisors is an integer number (3574935).

Almost surely, 2^140318720 is an apocalyptic number.

140318720 is a gapful number since it is divisible by the number (10) 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 140318720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171596880).

140318720 is an abundant number, since it is smaller than the sum of its proper divisors (202875040).

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

140318720 is an equidigital number, since it uses as much as digits as its factorization.

140318720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291 (or 271 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 140318720 is about 11845.6202876844. The cubic root of 140318720 is about 519.6431476694.

The spelling of 140318720 in words is "one hundred forty million, three hundred eighteen thousand, seven hundred twenty".