3120140143 has 4 divisors (see below), whose sum is σ = 3120293488. Its totient is φ = 3119986800.

The previous prime is 3120140123. The next prime is 3120140147. The reversal of 3120140143 is 3410410213.

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

It is a cyclic number.

It is not a de Polignac number, because 3120140143 - 2²⁹ = 2583269231 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 3120140143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3120140147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40446 + ... + 88747.

It is an arithmetic number, because the mean of its divisors is an integer number (780073372).

Almost surely, 2^3120140143 is an apocalyptic number.

3120140143 is a deficient number, since it is larger than the sum of its proper divisors (153345).

3120140143 is a wasteful number, since it uses less digits than its factorization.

3120140143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153344.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 3120140143 is about 55858.2146420739. The cubic root of 3120140143 is about 1461.2505927944.

Adding to 3120140143 its reverse (3410410213), we get a palindrome (6530550356).

The spelling of 3120140143 in words is "three billion, one hundred twenty million, one hundred forty thousand, one hundred forty-three".