140140171 has 2 divisors, whose sum is σ = 140140172. Its totient is φ = 140140170.

The previous prime is 140140159. The next prime is 140140193. The reversal of 140140171 is 171041041.

140140171 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140140171 - 2⁷ = 140140043 is a prime.

It is not a weakly prime, because it can be changed into another prime (140140111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70070085 + 70070086.

It is an arithmetic number, because the mean of its divisors is an integer number (70070086).

Almost surely, 2^140140171 is an apocalyptic number.

140140171 is a deficient number, since it is larger than the sum of its proper divisors (1).

140140171 is an equidigital number, since it uses as much as digits as its factorization.

140140171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 140140171 is about 11838.0813901578. The cubic root of 140140171 is about 519.4226469273.

The spelling of 140140171 in words is "one hundred forty million, one hundred forty thousand, one hundred seventy-one".