140171271 has 16 divisors (see below), whose sum is σ = 192276480. Its totient is φ = 90780480.

The previous prime is 140171267. The next prime is 140171293. The reversal of 140171271 is 172171041.

It is not a de Polignac number, because 140171271 - 2² = 140171267 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140171261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21795 + ... + 27483.

It is an arithmetic number, because the mean of its divisors is an integer number (12017280).

Almost surely, 2^140171271 is an apocalyptic number.

140171271 is a deficient number, since it is larger than the sum of its proper divisors (52105209).

140171271 is a wasteful number, since it uses less digits than its factorization.

140171271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5926.

The product of its (nonzero) digits is 392, while the sum is 24.

The square root of 140171271 is about 11839.3948747392. The cubic root of 140171271 is about 519.4610676251.

The spelling of 140171271 in words is "one hundred forty million, one hundred seventy-one thousand, two hundred seventy-one".