140871 has 4 divisors (see below), whose sum is σ = 187832. Its totient is φ = 93912.

The previous prime is 140869. The next prime is 140891. The reversal of 140871 is 178041.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 140871 - 2¹ = 140869 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140831) 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, 23476 + ... + 23481.

It is an arithmetic number, because the mean of its divisors is an integer number (46958).

2¹⁴⁰⁸⁷¹ is an apocalyptic number.

140871 is a deficient number, since it is larger than the sum of its proper divisors (46961).

140871 is an equidigital number, since it uses as much as digits as its factorization.

140871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46960.

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 140871 is about 375.3278566800. The cubic root of 140871 is about 52.0324009115.

The spelling of 140871 in words is "one hundred forty thousand, eight hundred seventy-one".