104135161 has 4 divisors (see below), whose sum is σ = 112145572. Its totient is φ = 96124752.

The previous prime is 104135159. The next prime is 104135167. The reversal of 104135161 is 161531401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 161531401 = 4159 ⋅38839.

It can be written as a sum of positive squares in 2 ways, for example, as 18757561 + 85377600 = 4331^2 + 9240^2 .

It is a cyclic number.

It is not a de Polignac number, because 104135161 - 2¹ = 104135159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104135167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4005186 + ... + 4005211.

It is an arithmetic number, because the mean of its divisors is an integer number (28036393).

Almost surely, 2^104135161 is an apocalyptic number.

It is an amenable number.

104135161 is a deficient number, since it is larger than the sum of its proper divisors (8010411).

104135161 is an equidigital number, since it uses as much as digits as its factorization.

104135161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8010410.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 104135161 is about 10204.6636887259. The cubic root of 104135161 is about 470.4705729093.

Adding to 104135161 its reverse (161531401), we get a palindrome (265666562).

The spelling of 104135161 in words is "one hundred four million, one hundred thirty-five thousand, one hundred sixty-one".