104616139 has 4 divisors (see below), whose sum is σ = 104912856. Its totient is φ = 104319424.

The previous prime is 104616089. The next prime is 104616143. The reversal of 104616139 is 931616401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 931616401 = 317 ⋅2938853.

It is a cyclic number.

It is not a de Polignac number, because 104616139 - 2²¹ = 102518987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 104616139.

It is not an unprimeable number, because it can be changed into a prime (104616179) 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 in 3 ways as a sum of consecutive naturals, for example, 147829 + ... + 148534.

It is an arithmetic number, because the mean of its divisors is an integer number (26228214).

Almost surely, 2^104616139 is an apocalyptic number.

104616139 is a deficient number, since it is larger than the sum of its proper divisors (296717).

104616139 is an equidigital number, since it uses as much as digits as its factorization.

104616139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296716.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 104616139 is about 10228.2031168725. The cubic root of 104616139 is about 471.1937948433.

The spelling of 104616139 in words is "one hundred four million, six hundred sixteen thousand, one hundred thirty-nine".