4140240143 has 32 divisors (see below), whose sum is σ = 4747631616. Its totient is φ = 3581538048.

The previous prime is 4140240127. The next prime is 4140240157. The reversal of 4140240143 is 3410420414.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4140240143 - 2⁴ = 4140240127 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4140240193) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4667246 + ... + 4668132.

It is an arithmetic number, because the mean of its divisors is an integer number (148363488).

Almost surely, 2^4140240143 is an apocalyptic number.

4140240143 is a deficient number, since it is larger than the sum of its proper divisors (607391473).

4140240143 is a wasteful number, since it uses less digits than its factorization.

4140240143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 4140240143 is about 64344.6978623725. The cubic root of 4140240143 is about 1605.7398197075.

Adding to 4140240143 its reverse (3410420414), we get a palindrome (7550660557).

The spelling of 4140240143 in words is "four billion, one hundred forty million, two hundred forty thousand, one hundred forty-three".