2140271 has 12 divisors (see below), whose sum is σ = 2571840. Its totient is φ = 1774080.

The previous prime is 2140267. The next prime is 2140273. The reversal of 2140271 is 1720412.

It is not a de Polignac number, because 2140271 - 2² = 2140267 is a prime.

It is a super-3 number, since 3×2140271³ = 29412203058933367533, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 815 + ... + 2223.

It is an arithmetic number, because the mean of its divisors is an integer number (214320).

2^2140271 is an apocalyptic number.

2140271 is a deficient number, since it is larger than the sum of its proper divisors (431569).

2140271 is a wasteful number, since it uses less digits than its factorization.

2140271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454 (or 1447 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 2140271 is about 1462.9665067936. The cubic root of 2140271 is about 128.8713136900.

Adding to 2140271 its reverse (1720412), we get a palindrome (3860683).

The spelling of 2140271 in words is "two million, one hundred forty thousand, two hundred seventy-one".