134204040005 has 16 divisors (see below), whose sum is σ = 184060646784. Its totient is φ = 92020931520.

The previous prime is 134204040001. The next prime is 134204040007. The reversal of 134204040005 is 500040402431.

It is not a de Polignac number, because 134204040005 - 2² = 134204040001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134204040001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 686399 + ... + 859971.

It is an arithmetic number, because the mean of its divisors is an integer number (11503790424).

Almost surely, 2^134204040005 is an apocalyptic number.

It is an amenable number.

134204040005 is a deficient number, since it is larger than the sum of its proper divisors (49856606779).

134204040005 is a wasteful number, since it uses less digits than its factorization.

134204040005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195676.

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 134204040005 its reverse (500040402431), we get a palindrome (634244442436).

The spelling of 134204040005 in words is "one hundred thirty-four billion, two hundred four million, forty thousand, five".