140213324310021 has 12 divisors (see below), whose sum is σ = 202706012475148. Its totient is φ = 93394477937664.

The previous prime is 140213324309953. The next prime is 140213324310067. The reversal of 140213324310021 is 120013423312041.

140213324310021 is a `hidden beast` number, since 1 + 4 + 0 + 2 + 1 + 3 + 324 + 310 + 0 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 102377465330625 + 37835858979396 = 10118175^2 + 6151086^2 .

It is a de Polignac number, because none of the positive numbers 2^k-140213324310021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140213324310821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6755955910 + ... + 6755976663.

Almost surely, 2^{140213324310021} is an apocalyptic number.

It is an amenable number.

140213324310021 is a deficient number, since it is larger than the sum of its proper divisors (62492688165127).

140213324310021 is a wasteful number, since it uses less digits than its factorization.

140213324310021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13511933732 (or 13511933729 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 140213324310021 its reverse (120013423312041), we get a palindrome (260226747622062).

The spelling of 140213324310021 in words is "one hundred forty trillion, two hundred thirteen billion, three hundred twenty-four million, three hundred ten thousand, twenty-one".