4140013221 has 16 divisors (see below), whose sum is σ = 6249078720. Its totient is φ = 2707932240.

The previous prime is 4140013219. The next prime is 4140013279. The reversal of 4140013221 is 1223100414.

4140013221 is a `hidden beast` number, since 41 + 400 + 1 + 3 + 221 = 666.

It is not a de Polignac number, because 4140013221 - 2¹ = 4140013219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4140013194 and 4140013203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4140013021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1445115 + ... + 1447976.

It is an arithmetic number, because the mean of its divisors is an integer number (390567420).

Almost surely, 2^4140013221 is an apocalyptic number.

It is an amenable number.

4140013221 is a deficient number, since it is larger than the sum of its proper divisors (2109065499).

4140013221 is a wasteful number, since it uses less digits than its factorization.

4140013221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2893153 (or 2893147 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 4140013221 is about 64342.9345072169. The cubic root of 4140013221 is about 1605.7104828948.

Adding to 4140013221 its reverse (1223100414), we get a palindrome (5363113635).

The spelling of 4140013221 in words is "four billion, one hundred forty million, thirteen thousand, two hundred twenty-one".