104105134919 has 2 divisors, whose sum is σ = 104105134920. Its totient is φ = 104105134918.

The previous prime is 104105134909. The next prime is 104105134943. The reversal of 104105134919 is 919431501401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 104105134919 - 2⁸ = 104105134663 is a prime.

It is a super-2 number, since 2×104105134919² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104105134909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52052567459 + 52052567460.

It is an arithmetic number, because the mean of its divisors is an integer number (52052567460).

Almost surely, 2^104105134919 is an apocalyptic number.

104105134919 is a deficient number, since it is larger than the sum of its proper divisors (1).

104105134919 is an equidigital number, since it uses as much as digits as its factorization.

104105134919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 38.

The spelling of 104105134919 in words is "one hundred four billion, one hundred five million, one hundred thirty-four thousand, nine hundred nineteen".