2140344111 has 8 divisors (see below), whose sum is σ = 2854010880. Its totient is φ = 1426786712.

The previous prime is 2140344083. The next prime is 2140344113. The reversal of 2140344111 is 1114430412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2140344111 - 2⁵ = 2140344079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140344113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47920 + ... + 81098.

It is an arithmetic number, because the mean of its divisors is an integer number (356751360).

Almost surely, 2^2140344111 is an apocalyptic number.

2140344111 is a deficient number, since it is larger than the sum of its proper divisors (713666769).

2140344111 is a wasteful number, since it uses less digits than its factorization.

2140344111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54685.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 2140344111 is about 46263.8531793451. The cubic root of 2140344111 is about 1288.7278107481.

Adding to 2140344111 its reverse (1114430412), we get a palindrome (3254774523).

The spelling of 2140344111 in words is "two billion, one hundred forty million, three hundred forty-four thousand, one hundred eleven".