140099 has 4 divisors (see below), whose sum is σ = 144960. Its totient is φ = 135240.

The previous prime is 140071. The next prime is 140111. The reversal of 140099 is 990041.

140099 = 55² + 56² + ... + 83².

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 990041 = 13 ⋅76157.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140099 is a prime.

It is a Duffinian number.

140099 is a modest number, since divided by 99 gives 14 as remainder.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 140099.

It is not an unprimeable number, because it can be changed into a prime (140009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2387 + ... + 2444.

It is an arithmetic number, because the mean of its divisors is an integer number (36240).

2¹⁴⁰⁰⁹⁹ is an apocalyptic number.

140099 is a deficient number, since it is larger than the sum of its proper divisors (4861).

140099 is an equidigital number, since it uses as much as digits as its factorization.

140099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4860.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 140099 is about 374.2980096127. The cubic root of 140099 is about 51.9371775850.

The spelling of 140099 in words is "one hundred forty thousand, ninety-nine".