3144012140 has 48 divisors (see below), whose sum is σ = 6930911232. Its totient is φ = 1195694016.

The previous prime is 3144012121. The next prime is 3144012167. The reversal of 3144012140 is 412104413.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56357 + ... + 97283.

It is an arithmetic number, because the mean of its divisors is an integer number (144393984).

Almost surely, 2^3144012140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3144012140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3465455616).

3144012140 is an abundant number, since it is smaller than the sum of its proper divisors (3786899092).

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

3144012140 is a wasteful number, since it uses less digits than its factorization.

3144012140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41126 (or 41124 counting only the distinct ones).

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

The square root of 3144012140 is about 56071.4913302652. The cubic root of 3144012140 is about 1464.9677744933.

Adding to 3144012140 its reverse (412104413), we get a palindrome (3556116553).

The spelling of 3144012140 in words is "three billion, one hundred forty-four million, twelve thousand, one hundred forty".