134436304205 has 24 divisors (see below), whose sum is σ = 188488889568. Its totient is φ = 91778755488.

The previous prime is 134436304153. The next prime is 134436304207. The reversal of 134436304205 is 502403634431.

It is not a de Polignac number, because 134436304205 - 2²⁰ = 134435255629 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134436304207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1153019 + ... + 1264248.

It is an arithmetic number, because the mean of its divisors is an integer number (7853703732).

Almost surely, 2^134436304205 is an apocalyptic number.

It is an amenable number.

134436304205 is a deficient number, since it is larger than the sum of its proper divisors (54052585363).

134436304205 is a wasteful number, since it uses less digits than its factorization.

134436304205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2417513 (or 2417506 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 134436304205 its reverse (502403634431), we get a palindrome (636839938636).

The spelling of 134436304205 in words is "one hundred thirty-four billion, four hundred thirty-six million, three hundred four thousand, two hundred five".