134664351005 has 4 divisors (see below), whose sum is σ = 161597221212. Its totient is φ = 107731480800.

The previous prime is 134664350939. The next prime is 134664351007. The reversal of 134664351005 is 500153466431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 500153466431 = 17 ⋅29420792143.

It can be written as a sum of positive squares in 2 ways, for example, as 36628983769 + 98035367236 = 191387^2 + 313106^2 .

It is not a de Polignac number, because 134664351005 - 2¹² = 134664346909 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 134664351005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134664351007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13466435096 + ... + 13466435105.

It is an arithmetic number, because the mean of its divisors is an integer number (40399305303).

Almost surely, 2^134664351005 is an apocalyptic number.

It is an amenable number.

134664351005 is a deficient number, since it is larger than the sum of its proper divisors (26932870207).

134664351005 is an equidigital number, since it uses as much as digits as its factorization.

134664351005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26932870206.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 134664351005 in words is "one hundred thirty-four billion, six hundred sixty-four million, three hundred fifty-one thousand, five".