104641139 has 2 divisors, whose sum is σ = 104641140. Its totient is φ = 104641138.

The previous prime is 104641123. The next prime is 104641153. The reversal of 104641139 is 931146401.

It is a strong prime.

It is an emirp because it is prime and its reverse (931146401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 104641139 - 2⁴ = 104641123 is a prime.

It is not a weakly prime, because it can be changed into another prime (104641039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52320569 + 52320570.

It is an arithmetic number, because the mean of its divisors is an integer number (52320570).

Almost surely, 2^104641139 is an apocalyptic number.

104641139 is a deficient number, since it is larger than the sum of its proper divisors (1).

104641139 is an equidigital number, since it uses as much as digits as its factorization.

104641139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 104641139 is about 10229.4251549146. The cubic root of 104641139 is about 471.2313254027.

The spelling of 104641139 in words is "one hundred four million, six hundred forty-one thousand, one hundred thirty-nine".