104135143235 has 4 divisors (see below), whose sum is σ = 124962171888. Its totient is φ = 83308114584.

The previous prime is 104135143187. The next prime is 104135143243. The reversal of 104135143235 is 532341531401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 104135143235 - 2¹² = 104135139139 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10413514319 + ... + 10413514328.

It is an arithmetic number, because the mean of its divisors is an integer number (31240542972).

Almost surely, 2^104135143235 is an apocalyptic number.

104135143235 is a deficient number, since it is larger than the sum of its proper divisors (20827028653).

104135143235 is an equidigital number, since it uses as much as digits as its factorization.

104135143235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20827028652.

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 104135143235 its reverse (532341531401), we get a palindrome (636476674636).

The spelling of 104135143235 in words is "one hundred four billion, one hundred thirty-five million, one hundred forty-three thousand, two hundred thirty-five".