140440341212021 has 8 divisors (see below), whose sum is σ = 147365138220480. Its totient is φ = 133583768804992.

The previous prime is 140440341211987. The next prime is 140440341212063. The reversal of 140440341212021 is 120212143044041.

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 140440341212021 - 2³⁰ = 140439267470197 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 (140440341212621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17056146140 + ... + 17056154373.

It is an arithmetic number, because the mean of its divisors is an integer number (18420642277560).

Almost surely, 2^{140440341212021} is an apocalyptic number.

It is an amenable number.

140440341212021 is a deficient number, since it is larger than the sum of its proper divisors (6924797008459).

140440341212021 is a wasteful number, since it uses less digits than its factorization.

140440341212021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34112300715.

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 140440341212021 its reverse (120212143044041), we get a palindrome (260652484256062).

The spelling of 140440341212021 in words is "one hundred forty trillion, four hundred forty billion, three hundred forty-one million, two hundred twelve thousand, twenty-one".