140238720 has 192 divisors, whose sum is σ = 491203440. Its totient is φ = 36864000.

The previous prime is 140238719. The next prime is 140238727. The reversal of 140238720 is 27832041.

140238720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140238727) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 558595 + ... + 558845.

Almost surely, 2^140238720 is an apocalyptic number.

140238720 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 140238720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245601720).

140238720 is an abundant number, since it is smaller than the sum of its proper divisors (350964720).

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

140238720 is a wasteful number, since it uses less digits than its factorization.

140238720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373 (or 358 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 140238720 is about 11842.2430307776. The cubic root of 140238720 is about 519.5443740710.

The spelling of 140238720 in words is "one hundred forty million, two hundred thirty-eight thousand, seven hundred twenty".