104404220135 has 8 divisors (see below), whose sum is σ = 125337042576. Its totient is φ = 83488723840.

The previous prime is 104404219991. The next prime is 104404220147. The reversal of 104404220135 is 531022404401.

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

It is not a de Polignac number, because 104404220135 - 2¹² = 104404216039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4318274 + ... + 4342383.

It is an arithmetic number, because the mean of its divisors is an integer number (15667130322).

Almost surely, 2^104404220135 is an apocalyptic number.

104404220135 is a deficient number, since it is larger than the sum of its proper divisors (20932822441).

104404220135 is an equidigital number, since it uses as much as digits as its factorization.

104404220135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8663073.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 104404220135 its reverse (531022404401), we get a palindrome (635426624536).

The spelling of 104404220135 in words is "one hundred four billion, four hundred four million, two hundred twenty thousand, one hundred thirty-five".