140225440 has 96 divisors (see below), whose sum is σ = 350542080. Its totient is φ = 52921344.

The previous prime is 140225381. The next prime is 140225441. The reversal of 140225440 is 44522041.

It is a happy number.

140225440 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (140225441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217759 + ... + 218401.

It is an arithmetic number, because the mean of its divisors is an integer number (3651480).

Almost surely, 2^140225440 is an apocalyptic number.

140225440 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 140225440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175271040).

140225440 is an abundant number, since it is smaller than the sum of its proper divisors (210316640).

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

140225440 is a wasteful number, since it uses less digits than its factorization.

140225440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734 (or 726 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 140225440 is about 11841.6823129148. The cubic root of 140225440 is about 519.5279740186.

Adding to 140225440 its reverse (44522041), we get a palindrome (184747481).

The spelling of 140225440 in words is "one hundred forty million, two hundred twenty-five thousand, four hundred forty".