104112139 has 2 divisors, whose sum is σ = 104112140. Its totient is φ = 104112138.

The previous prime is 104112121. The next prime is 104112163. The reversal of 104112139 is 931211401.

It is a weak prime.

It is an emirp because it is prime and its reverse (931211401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 104112139 - 2¹³ = 104103947 is a prime.

It is a super-3 number, since 3×104112139³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (104112109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52056069 + 52056070.

It is an arithmetic number, because the mean of its divisors is an integer number (52056070).

Almost surely, 2^104112139 is an apocalyptic number.

104112139 is a deficient number, since it is larger than the sum of its proper divisors (1).

104112139 is an equidigital number, since it uses as much as digits as its factorization.

104112139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 104112139 is about 10203.5356127178. The cubic root of 104112139 is about 470.4359001126.

The spelling of 104112139 in words is "one hundred four million, one hundred twelve thousand, one hundred thirty-nine".