140563720 has 64 divisors (see below), whose sum is σ = 348546240. Its totient is φ = 50592000.

The previous prime is 140563693. The next prime is 140563721. The reversal of 140563720 is 27365041.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (140563721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42859 + ... + 46021.

It is an arithmetic number, because the mean of its divisors is an integer number (5446035).

Almost surely, 2^140563720 is an apocalyptic number.

140563720 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 140563720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174273120).

140563720 is an abundant number, since it is smaller than the sum of its proper divisors (207982520).

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

140563720 is a wasteful number, since it uses less digits than its factorization.

140563720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3286 (or 3282 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 140563720 is about 11855.9571524192. The cubic root of 140563720 is about 519.9454084702.

The spelling of 140563720 in words is "one hundred forty million, five hundred sixty-three thousand, seven hundred twenty".