140971 has 4 divisors (see below), whose sum is σ = 143344. Its totient is φ = 138600.

The previous prime is 140939. The next prime is 140977. The reversal of 140971 is 179041.

140971 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 140971 - 2⁵ = 140939 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (140977) 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, 1095 + ... + 1216.

It is an arithmetic number, because the mean of its divisors is an integer number (35836).

2¹⁴⁰⁹⁷¹ is an apocalyptic number.

140971 is a deficient number, since it is larger than the sum of its proper divisors (2373).

140971 is an equidigital number, since it uses as much as digits as its factorization.

140971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2372.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 140971 is about 375.4610499106. The cubic root of 140971 is about 52.0447100676.

It can be divided in two parts, 140 and 971, that added together give a palindrome (1111).

The spelling of 140971 in words is "one hundred forty thousand, nine hundred seventy-one".