140999 has 8 divisors (see below), whose sum is σ = 152880. Its totient is φ = 129600.

The previous prime is 140989. The next prime is 141023. The reversal of 140999 is 999041.

140999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 140999 - 2⁴ = 140983 is a prime.

It is a Duffinian number.

140999 is a modest number, since divided by 999 gives 140 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 689 + ... + 869.

It is an arithmetic number, because the mean of its divisors is an integer number (19110).

2¹⁴⁰⁹⁹⁹ is an apocalyptic number.

140999 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

140999 is a deficient number, since it is larger than the sum of its proper divisors (11881).

140999 is a wasteful number, since it uses less digits than its factorization.

140999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241.

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 140999 is about 375.4983355489. The cubic root of 140999 is about 52.0481555881.

The spelling of 140999 in words is "one hundred forty thousand, nine hundred ninety-nine".