140879 has 4 divisors (see below), whose sum is σ = 149184. Its totient is φ = 132576.

The previous prime is 140869. The next prime is 140891. The reversal of 140879 is 978041.

140879 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.

It is a cyclic number.

It is not a de Polignac number, because 140879 - 2⁴ = 140863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4127 + ... + 4160.

It is an arithmetic number, because the mean of its divisors is an integer number (37296).

2¹⁴⁰⁸⁷⁹ is an apocalyptic number.

140879 is a deficient number, since it is larger than the sum of its proper divisors (8305).

140879 is an equidigital number, since it uses as much as digits as its factorization.

140879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8304.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 140879 is about 375.3385138778. The cubic root of 140879 is about 52.0333858583.

The spelling of 140879 in words is "one hundred forty thousand, eight hundred seventy-nine".