140706720 has 576 divisors, whose sum is σ = 634023936. Its totient is φ = 28615680.

The previous prime is 140706719. The next prime is 140706743. The reversal of 140706720 is 27607041.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2993737 + ... + 2993783.

It is an arithmetic number, because the mean of its divisors is an integer number (1100736).

Almost surely, 2^140706720 is an apocalyptic number.

140706720 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 140706720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317011968).

140706720 is an abundant number, since it is smaller than the sum of its proper divisors (493317216).

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

140706720 is a wasteful number, since it uses less digits than its factorization.

140706720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 140706720 is about 11861.9863429360. The cubic root of 140706720 is about 520.1216677828.

The spelling of 140706720 in words is "one hundred forty million, seven hundred six thousand, seven hundred twenty".