2140105 has 16 divisors (see below), whose sum is σ = 2830464. Its totient is φ = 1540480.

The previous prime is 2140091. The next prime is 2140109. The reversal of 2140105 is 5010412.

It is not a de Polignac number, because 2140105 - 2²¹ = 42953 is a prime.

It is a super-2 number, since 2×2140105² = 9160098822050, which contains 22 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 (2140109) 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, 9069 + ... + 9301.

It is an arithmetic number, because the mean of its divisors is an integer number (176904).

2^2140105 is an apocalyptic number.

It is an amenable number.

2140105 is a deficient number, since it is larger than the sum of its proper divisors (690359).

2140105 is a wasteful number, since it uses less digits than its factorization.

2140105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 2140105 is about 1462.9097716537. The cubic root of 2140105 is about 128.8679818392.

Adding to 2140105 its reverse (5010412), we get a palindrome (7150517).

The spelling of 2140105 in words is "two million, one hundred forty thousand, one hundred five".