3213140140 has 96 divisors (see below), whose sum is σ = 7840788480. Its totient is φ = 1083303936.

The previous prime is 3213140137. The next prime is 3213140149. The reversal of 3213140140 is 410413123.

It is not an unprimeable number, because it can be changed into a prime (3213140149) 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, 3903769 + ... + 3904591.

It is an arithmetic number, because the mean of its divisors is an integer number (81674880).

Almost surely, 2^3213140140 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 3213140140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3920394240).

3213140140 is an abundant number, since it is smaller than the sum of its proper divisors (4627648340).

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

3213140140 is a wasteful number, since it uses less digits than its factorization.

3213140140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271 (or 1269 counting only the distinct ones).

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

The square root of 3213140140 is about 56684.5670354815. The cubic root of 3213140140 is about 1475.6268736354.

Adding to 3213140140 its reverse (410413123), we get a palindrome (3623553263).

The spelling of 3213140140 in words is "three billion, two hundred thirteen million, one hundred forty thousand, one hundred forty".