140220340000021 has 8 divisors (see below), whose sum is σ = 142559305308000. Its totient is φ = 137882673763440.

The previous prime is 140220339999991. The next prime is 140220340000031. The reversal of 140220340000021 is 120000043022041.

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

It is not a de Polignac number, because 140220340000021 - 2³¹ = 140218192516373 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 (140220340000031) 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, 324550171 + ... + 324981928.

It is an arithmetic number, because the mean of its divisors is an integer number (17819913163500).

Almost surely, 2^{140220340000021} is an apocalyptic number.

It is an amenable number.

140220340000021 is a deficient number, since it is larger than the sum of its proper divisors (2338965307979).

140220340000021 is an equidigital number, since it uses as much as digits as its factorization.

140220340000021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649535699.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 140220340000021 its reverse (120000043022041), we get a palindrome (260220383022062).

The spelling of 140220340000021 in words is "one hundred forty trillion, two hundred twenty billion, three hundred forty million, twenty-one", and thus it is an aban number.