140440298 has 16 divisors (see below), whose sum is σ = 225266184. Its totient is φ = 65433600.

The previous prime is 140440297. The next prime is 140440331. The reversal of 140440298 is 892044041.

140440298 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 131033809 + 9406489 = 11447^2 + 3067^2 .

It is not an unprimeable number, because it can be changed into a prime (140440297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17015 + ... + 23882.

Almost surely, 2^140440298 is an apocalyptic number.

140440298 is a deficient number, since it is larger than the sum of its proper divisors (84825886).

140440298 is a wasteful number, since it uses less digits than its factorization.

140440298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41017.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 140440298 is about 11850.7509466700. The cubic root of 140440298 is about 519.7931845211.

The spelling of 140440298 in words is "one hundred forty million, four hundred forty thousand, two hundred ninety-eight".