104138369 has 4 divisors (see below), whose sum is σ = 105564996. Its totient is φ = 102711744.

The previous prime is 104138341. The next prime is 104138381. The reversal of 104138369 is 963831401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 963831401 = 13 ⋅74140877.

It can be written as a sum of positive squares in 2 ways, for example, as 72046144 + 32092225 = 8488^2 + 5665^2 .

It is a cyclic number.

It is not a de Polignac number, because 104138369 - 2¹⁶ = 104072833 is a prime.

It is a super-2 number, since 2×104138369² = 21689599795960322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104138339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 713204 + ... + 713349.

It is an arithmetic number, because the mean of its divisors is an integer number (26391249).

Almost surely, 2^104138369 is an apocalyptic number.

It is an amenable number.

104138369 is a deficient number, since it is larger than the sum of its proper divisors (1426627).

104138369 is an equidigital number, since it uses as much as digits as its factorization.

104138369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426626.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 104138369 is about 10204.8208705494. The cubic root of 104138369 is about 470.4754039836.

The spelling of 104138369 in words is "one hundred four million, one hundred thirty-eight thousand, three hundred sixty-nine".