140287198 has 8 divisors (see below), whose sum is σ = 214908192. Its totient is φ = 68651136.

The previous prime is 140287171. The next prime is 140287207. The reversal of 140287198 is 891782041.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 140287198.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 746115 + ... + 746302.

It is an arithmetic number, because the mean of its divisors is an integer number (26863524).

Almost surely, 2^140287198 is an apocalyptic number.

140287198 is a deficient number, since it is larger than the sum of its proper divisors (74620994).

140287198 is a wasteful number, since it uses less digits than its factorization.

140287198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1492466.

The product of its (nonzero) digits is 32256, while the sum is 40.

The square root of 140287198 is about 11844.2896789972. The cubic root of 140287198 is about 519.6042328855.

The spelling of 140287198 in words is "one hundred forty million, two hundred eighty-seven thousand, one hundred ninety-eight".