134512005 has 16 divisors (see below), whose sum is σ = 222641280. Its totient is φ = 69265728.

The previous prime is 134512003. The next prime is 134512013. The reversal of 134512005 is 500215431.

It is not a de Polignac number, because 134512005 - 2¹ = 134512003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134512003) 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 15 ways as a sum of consecutive naturals, for example, 154177 + ... + 155046.

It is an arithmetic number, because the mean of its divisors is an integer number (13915080).

Almost surely, 2^134512005 is an apocalyptic number.

134512005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

134512005 is a deficient number, since it is larger than the sum of its proper divisors (88129275).

134512005 is a wasteful number, since it uses less digits than its factorization.

134512005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309260.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 134512005 is about 11597.9310654961. The cubic root of 134512005 is about 512.3739194117.

Adding to 134512005 its reverse (500215431), we get a palindrome (634727436).

The spelling of 134512005 in words is "one hundred thirty-four million, five hundred twelve thousand, five".