140022320442421 has 8 divisors (see below), whose sum is σ = 148155604944320. Its totient is φ = 131965404809472.

The previous prime is 140022320442391. The next prime is 140022320442427. The reversal of 140022320442421 is 124244023220041.

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 140022320442421 - 2²¹ = 140022318345269 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 (140022320442427) 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, 19092213465 + ... + 19092220798.

It is an arithmetic number, because the mean of its divisors is an integer number (18519450618040).

Almost surely, 2^{140022320442421} is an apocalyptic number.

It is an amenable number.

140022320442421 is a deficient number, since it is larger than the sum of its proper divisors (8133284501899).

140022320442421 is a wasteful number, since it uses less digits than its factorization.

140022320442421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38184434475.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 140022320442421 its reverse (124244023220041), we get a palindrome (264266343662462).

The spelling of 140022320442421 in words is "one hundred forty trillion, twenty-two billion, three hundred twenty million, four hundred forty-two thousand, four hundred twenty-one".