134434442105 has 4 divisors (see below), whose sum is σ = 161321330532. Its totient is φ = 107547553680.

The previous prime is 134434442047. The next prime is 134434442143. The reversal of 134434442105 is 501244434431.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 14541224569 + 119893217536 = 120587^2 + 346256^2 .

It is not a de Polignac number, because 134434442105 - 2¹² = 134434438009 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13443444206 + ... + 13443444215.

It is an arithmetic number, because the mean of its divisors is an integer number (40330332633).

Almost surely, 2^134434442105 is an apocalyptic number.

It is an amenable number.

134434442105 is a deficient number, since it is larger than the sum of its proper divisors (26886888427).

134434442105 is an equidigital number, since it uses as much as digits as its factorization.

134434442105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26886888426.

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 134434442105 its reverse (501244434431), we get a palindrome (635678876536).

The spelling of 134434442105 in words is "one hundred thirty-four billion, four hundred thirty-four million, four hundred forty-two thousand, one hundred five".