140198 has 4 divisors (see below), whose sum is σ = 210300. Its totient is φ = 70098.

The previous prime is 140197. The next prime is 140207. The reversal of 140198 is 891041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 891041 = 79 ⋅11279.

140198 is a modest number, since divided by 198 gives 14 as remainder.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 140198.

It is not an unprimeable number, because it can be changed into a prime (140191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35048 + ... + 35051.

It is an arithmetic number, because the mean of its divisors is an integer number (52575).

2¹⁴⁰¹⁹⁸ is an apocalyptic number.

140198 is a deficient number, since it is larger than the sum of its proper divisors (70102).

140198 is an equidigital number, since it uses as much as digits as its factorization.

140198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70101.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 140198 is about 374.4302338220. The cubic root of 140198 is about 51.9494083883.

The spelling of 140198 in words is "one hundred forty thousand, one hundred ninety-eight".