3120144140 has 24 divisors (see below), whose sum is σ = 6729393552. Its totient is φ = 1214326080.

The previous prime is 3120144127. The next prime is 3120144149. The reversal of 3120144140 is 414410213.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (3120144149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2107466 + ... + 2108945.

It is an arithmetic number, because the mean of its divisors is an integer number (280391398).

Almost surely, 2^3120144140 is an apocalyptic number.

It is an amenable number.

3120144140 is an abundant number, since it is smaller than the sum of its proper divisors (3609249412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3120144140 is a wasteful number, since it uses less digits than its factorization.

3120144140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4216457 (or 4216455 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 3120144140 is about 55858.2504201483. The cubic root of 3120144140 is about 1461.2512167638.

Adding to 3120144140 its reverse (414410213), we get a palindrome (3534554353).

The spelling of 3120144140 in words is "three billion, one hundred twenty million, one hundred forty-four thousand, one hundred forty".