134542134351305 has 4 divisors (see below), whose sum is σ = 161450561221572. Its totient is φ = 107633707481040.

The previous prime is 134542134351281. The next prime is 134542134351367. The reversal of 134542134351305 is 503153431245431.

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 20047083895609 + 114495050455696 = 4477397^2 + 10700236^2 .

It is not a de Polignac number, because 134542134351305 - 2²⁰ = 134542133302729 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13454213435126 + ... + 13454213435135.

It is an arithmetic number, because the mean of its divisors is an integer number (40362640305393).

Almost surely, 2^{134542134351305} is an apocalyptic number.

It is an amenable number.

134542134351305 is a deficient number, since it is larger than the sum of its proper divisors (26908426870267).

134542134351305 is an equidigital number, since it uses as much as digits as its factorization.

134542134351305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26908426870266.

The product of its (nonzero) digits is 1296000, while the sum is 44.

Adding to 134542134351305 its reverse (503153431245431), we get a palindrome (637695565596736).

The spelling of 134542134351305 in words is "one hundred thirty-four trillion, five hundred forty-two billion, one hundred thirty-four million, three hundred fifty-one thousand, three hundred five".