104000140021421 has 8 divisors (see below), whose sum is σ = 121099893502464. Its totient is φ = 87461034195600.

The previous prime is 104000140021397. The next prime is 104000140021423. The reversal of 104000140021421 is 124120041000401.

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 104000140021421 - 2³⁰ = 103999066279597 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 104000140021393 and 104000140021402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104000140021423) 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, 140161913405 + ... + 140161914146.

It is an arithmetic number, because the mean of its divisors is an integer number (15137486687808).

Almost surely, 2^{104000140021421} is an apocalyptic number.

It is an amenable number.

104000140021421 is a deficient number, since it is larger than the sum of its proper divisors (17099753481043).

104000140021421 is an equidigital number, since it uses as much as digits as its factorization.

104000140021421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280323827611.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 104000140021421 its reverse (124120041000401), we get a palindrome (228120181021822).

The spelling of 104000140021421 in words is "one hundred four trillion, one hundred forty million, twenty-one thousand, four hundred twenty-one".