104131619 has 2 divisors, whose sum is σ = 104131620. Its totient is φ = 104131618.

The previous prime is 104131597. The next prime is 104131667. The reversal of 104131619 is 916131401.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104131619 is a prime.

It is a super-2 number, since 2×104131619² = 21686788151122322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (104131669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52065809 + 52065810.

It is an arithmetic number, because the mean of its divisors is an integer number (52065810).

Almost surely, 2^104131619 is an apocalyptic number.

104131619 is a deficient number, since it is larger than the sum of its proper divisors (1).

104131619 is an equidigital number, since it uses as much as digits as its factorization.

104131619 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 104131619 is about 10204.4901391495. The cubic root of 104131619 is about 470.4652387338.

The spelling of 104131619 in words is "one hundred four million, one hundred thirty-one thousand, six hundred nineteen".