4140134221 has 8 divisors (see below), whose sum is σ = 4284610200. Its totient is φ = 3995772480.

The previous prime is 4140134197. The next prime is 4140134249. The reversal of 4140134221 is 1224310414.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1738056100 + 2402078121 = 41690^2 + 49011^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4140134221 - 2⁵ = 4140134189 is a prime.

It is a super-2 number, since 2×4140134221² = 34281422735790553682, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4140134192 and 4140134201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4140134291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48775 + ... + 103243.

It is an arithmetic number, because the mean of its divisors is an integer number (535576275).

Almost surely, 2^4140134221 is an apocalyptic number.

It is an amenable number.

4140134221 is a deficient number, since it is larger than the sum of its proper divisors (144475979).

4140134221 is a wasteful number, since it uses less digits than its factorization.

4140134221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57119.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 4140134221 is about 64343.8747745269. The cubic root of 4140134221 is about 1605.7261260876.

Adding to 4140134221 its reverse (1224310414), we get a palindrome (5364444635).

The spelling of 4140134221 in words is "four billion, one hundred forty million, one hundred thirty-four thousand, two hundred twenty-one".