140446121021 has 8 divisors (see below), whose sum is σ = 141096108384. Its totient is φ = 139797295120.

The previous prime is 140446121009. The next prime is 140446121029. The reversal of 140446121021 is 120121644041.

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 140446121021 - 2¹⁴ = 140446104637 is a prime.

It is a super-2 number, since 2×140446121021² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140446121029) 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, 47495 + ... + 532116.

It is an arithmetic number, because the mean of its divisors is an integer number (17637013548).

Almost surely, 2^140446121021 is an apocalyptic number.

It is an amenable number.

140446121021 is a deficient number, since it is larger than the sum of its proper divisors (649987363).

140446121021 is an equidigital number, since it uses as much as digits as its factorization.

140446121021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580731.

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 140446121021 its reverse (120121644041), we get a palindrome (260567765062).

The spelling of 140446121021 in words is "one hundred forty billion, four hundred forty-six million, one hundred twenty-one thousand, twenty-one".