140321121414421 has 16 divisors (see below), whose sum is σ = 148776208873344. Its totient is φ = 131888422278144.

The previous prime is 140321121414407. The next prime is 140321121414443. The reversal of 140321121414421 is 124414121123041.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 140321121414421 - 2¹⁷ = 140321121283349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140321121414491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67531821 + ... + 69578653.

It is an arithmetic number, because the mean of its divisors is an integer number (9298513054584).

Almost surely, 2^{140321121414421} is an apocalyptic number.

It is an amenable number.

140321121414421 is a deficient number, since it is larger than the sum of its proper divisors (8455087458923).

140321121414421 is a wasteful number, since it uses less digits than its factorization.

140321121414421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2052300.

The product of its (nonzero) digits is 6144, while the sum is 31.

Adding to 140321121414421 its reverse (124414121123041), we get a palindrome (264735242537462).

The spelling of 140321121414421 in words is "one hundred forty trillion, three hundred twenty-one billion, one hundred twenty-one million, four hundred fourteen thousand, four hundred twenty-one".