140298 has 16 divisors (see below), whose sum is σ = 285600. Its totient is φ = 45936.

The previous prime is 140297. The next prime is 140317. The reversal of 140298 is 892041.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 140298.

It is not an unprimeable number, because it can be changed into a prime (140297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228 + ... + 576.

It is an arithmetic number, because the mean of its divisors is an integer number (17850).

2¹⁴⁰²⁹⁸ is an apocalyptic number.

140298 is an abundant number, since it is smaller than the sum of its proper divisors (145302).

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

140298 is a wasteful number, since it uses less digits than its factorization.

140298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 140298 is about 374.5637462435. The cubic root of 140298 is about 51.9617568911.

The spelling of 140298 in words is "one hundred forty thousand, two hundred ninety-eight".