140889 has 8 divisors (see below), whose sum is σ = 214720. Its totient is φ = 80496.

The previous prime is 140869. The next prime is 140891. The reversal of 140889 is 988041.

It is a happy number.

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

It is not a de Polignac number, because 140889 - 2⁷ = 140761 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 3334 + ... + 3375.

It is an arithmetic number, because the mean of its divisors is an integer number (26840).

2¹⁴⁰⁸⁸⁹ is an apocalyptic number.

It is an amenable number.

140889 is a deficient number, since it is larger than the sum of its proper divisors (73831).

140889 is an equidigital number, since it uses as much as digits as its factorization.

140889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6719.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 140889 is about 375.3518349496. The cubic root of 140889 is about 52.0346169894.

The spelling of 140889 in words is "one hundred forty thousand, eight hundred eighty-nine".