140099794 has 4 divisors (see below), whose sum is σ = 210149694. Its totient is φ = 70049896.

The previous prime is 140099779. The next prime is 140099803. The reversal of 140099794 is 497990041.

140099794 is digitally balanced in base 3, 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: 497990041 = 229 ⋅2174629.

It can be written as a sum of positive squares in only one way, i.e., 82537225 + 57562569 = 9085^2 + 7587^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 140099794.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35024947 + ... + 35024950.

Almost surely, 2^140099794 is an apocalyptic number.

140099794 is a deficient number, since it is larger than the sum of its proper divisors (70049900).

140099794 is an equidigital number, since it uses as much as digits as its factorization.

140099794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70049899.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 140099794 is about 11836.3758811555. The cubic root of 140099794 is about 519.3727570144.

The spelling of 140099794 in words is "one hundred forty million, ninety-nine thousand, seven hundred ninety-four".