104135143187 has 2 divisors, whose sum is σ = 104135143188. Its totient is φ = 104135143186.

The previous prime is 104135143153. The next prime is 104135143243. The reversal of 104135143187 is 781341531401.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 104135143187 - 2²⁰ = 104134094611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 104135143187.

It is not a weakly prime, because it can be changed into another prime (104135143127) by changing a digit.

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 as a sum of consecutive naturals, namely, 52067571593 + 52067571594.

It is an arithmetic number, because the mean of its divisors is an integer number (52067571594).

Almost surely, 2^104135143187 is an apocalyptic number.

104135143187 is a deficient number, since it is larger than the sum of its proper divisors (1).

104135143187 is an equidigital number, since it uses as much as digits as its factorization.

104135143187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 38.

Adding to 104135143187 its reverse (781341531401), we get a palindrome (885476674588).

The spelling of 104135143187 in words is "one hundred four billion, one hundred thirty-five million, one hundred forty-three thousand, one hundred eighty-seven".