140207271 has 4 divisors (see below), whose sum is σ = 186943032. Its totient is φ = 93471512.

The previous prime is 140207261. The next prime is 140207273. The reversal of 140207271 is 172702041.

140207271 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 140207271 - 2¹¹ = 140205223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140207273) 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, 23367876 + ... + 23367881.

It is an arithmetic number, because the mean of its divisors is an integer number (46735758).

Almost surely, 2^140207271 is an apocalyptic number.

140207271 is a deficient number, since it is larger than the sum of its proper divisors (46735761).

140207271 is an equidigital number, since it uses as much as digits as its factorization.

140207271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46735760.

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 140207271 is about 11840.9151251075. The cubic root of 140207271 is about 519.5055346489.

The spelling of 140207271 in words is "one hundred forty million, two hundred seven thousand, two hundred seventy-one".