140717240 has 64 divisors (see below), whose sum is σ = 325559520. Its totient is φ = 54720000.

The previous prime is 140717233. The next prime is 140717257. The reversal of 140717240 is 42717041.

140717240 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246155 + ... + 246725.

Almost surely, 2^140717240 is an apocalyptic number.

140717240 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 140717240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162779760).

140717240 is an abundant number, since it is smaller than the sum of its proper divisors (184842280).

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

140717240 is a wasteful number, since it uses less digits than its factorization.

140717240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744 (or 740 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 140717240 is about 11862.4297679691. The cubic root of 140717240 is about 520.1346298351.

The spelling of 140717240 in words is "one hundred forty million, seven hundred seventeen thousand, two hundred forty".