140012240213 has 4 divisors (see below), whose sum is σ = 140557035180. Its totient is φ = 139467445248.

The previous prime is 140012240201. The next prime is 140012240231. The reversal of 140012240213 is 312042210041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 312042210041 = 31601 ⋅9874441.

It can be written as a sum of positive squares in 2 ways, for example, as 139008174244 + 1004065969 = 372838^2 + 31687^2 .

It is a cyclic number.

It is not a de Polignac number, because 140012240213 - 2⁸ = 140012239957 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 (140012240113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272397098 + ... + 272397611.

It is an arithmetic number, because the mean of its divisors is an integer number (35139258795).

Almost surely, 2^140012240213 is an apocalyptic number.

It is an amenable number.

140012240213 is a deficient number, since it is larger than the sum of its proper divisors (544794967).

140012240213 is an equidigital number, since it uses as much as digits as its factorization.

140012240213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544794966.

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

Adding to 140012240213 its reverse (312042210041), we get a palindrome (452054450254).

The spelling of 140012240213 in words is "one hundred forty billion, twelve million, two hundred forty thousand, two hundred thirteen".