140560271 has 4 divisors (see below), whose sum is σ = 147958200. Its totient is φ = 133162344.

The previous prime is 140560253. The next prime is 140560297. The reversal of 140560271 is 172065041.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140560271 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140560271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140560571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3698936 + ... + 3698973.

It is an arithmetic number, because the mean of its divisors is an integer number (36989550).

Almost surely, 2^140560271 is an apocalyptic number.

140560271 is a deficient number, since it is larger than the sum of its proper divisors (7397929).

140560271 is an equidigital number, since it uses as much as digits as its factorization.

140560271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7397928.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 140560271 is about 11855.8116972226. The cubic root of 140560271 is about 519.9411558167.

The spelling of 140560271 in words is "one hundred forty million, five hundred sixty thousand, two hundred seventy-one".