140755198 has 4 divisors (see below), whose sum is σ = 211132800. Its totient is φ = 70377598.

The previous prime is 140755171. The next prime is 140755207. The reversal of 140755198 is 891557041.

It is a happy number.

140755198 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 891557041 = 19699 ⋅45259.

It is a self number, because there is not a number n which added to its sum of digits gives 140755198.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35188798 + ... + 35188801.

It is an arithmetic number, because the mean of its divisors is an integer number (52783200).

Almost surely, 2^140755198 is an apocalyptic number.

140755198 is a deficient number, since it is larger than the sum of its proper divisors (70377602).

140755198 is an equidigital number, since it uses as much as digits as its factorization.

140755198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70377601.

The product of its (nonzero) digits is 50400, while the sum is 40.

The square root of 140755198 is about 11864.0295852632. The cubic root of 140755198 is about 520.1813938169.

The spelling of 140755198 in words is "one hundred forty million, seven hundred fifty-five thousand, one hundred ninety-eight".