140441110021421 has 8 divisors (see below), whose sum is σ = 153208644559488. Its totient is φ = 127673602300000.

The previous prime is 140441110021417. The next prime is 140441110021441. The reversal of 140441110021421 is 124120011144041.

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 140441110021421 - 2² = 140441110021417 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 (140441110021411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5158796 + ... + 17535546.

It is an arithmetic number, because the mean of its divisors is an integer number (19151080569936).

Almost surely, 2^{140441110021421} is an apocalyptic number.

140441110021421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

140441110021421 is a deficient number, since it is larger than the sum of its proper divisors (12767534538067).

140441110021421 is a wasteful number, since it uses less digits than its factorization.

140441110021421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13408323.

The product of its (nonzero) digits is 1024, while the sum is 26.

Adding to 140441110021421 its reverse (124120011144041), we get a palindrome (264561121165462).

The spelling of 140441110021421 in words is "one hundred forty trillion, four hundred forty-one billion, one hundred ten million, twenty-one thousand, four hundred twenty-one".