104432135 has 4 divisors (see below), whose sum is σ = 125318568. Its totient is φ = 83545704.

The previous prime is 104432131. The next prime is 104432143. The reversal of 104432135 is 531234401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 104432135 - 2² = 104432131 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 104432135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104432131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10443209 + ... + 10443218.

It is an arithmetic number, because the mean of its divisors is an integer number (31329642).

Almost surely, 2^104432135 is an apocalyptic number.

104432135 is a deficient number, since it is larger than the sum of its proper divisors (20886433).

104432135 is an equidigital number, since it uses as much as digits as its factorization.

104432135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20886432.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 104432135 is about 10219.2042253788. The cubic root of 104432135 is about 470.9173797980.

Adding to 104432135 its reverse (531234401), we get a palindrome (635666536).

The spelling of 104432135 in words is "one hundred four million, four hundred thirty-two thousand, one hundred thirty-five".