140781224 has 16 divisors (see below), whose sum is σ = 266529120. Its totient is φ = 69706800.

The previous prime is 140781217. The next prime is 140781247. The reversal of 140781224 is 422187041.

140781224 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84602 + ... + 86249.

It is an arithmetic number, because the mean of its divisors is an integer number (16658070).

Almost surely, 2^140781224 is an apocalyptic number.

It is an amenable number.

140781224 is a deficient number, since it is larger than the sum of its proper divisors (125747896).

140781224 is a wasteful number, since it uses less digits than its factorization.

140781224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170960 (or 170956 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 140781224 is about 11865.1263794365. The cubic root of 140781224 is about 520.2134528025.

The spelling of 140781224 in words is "one hundred forty million, seven hundred eighty-one thousand, two hundred twenty-four".