134645561353 has 4 divisors (see below), whose sum is σ = 135350512128. Its totient is φ = 133940610580.

The previous prime is 134645561327. The next prime is 134645561371. The reversal of 134645561353 is 353165546431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 353165546431 = 93787 ⋅3765613.

It is a cyclic number.

It is not a de Polignac number, because 134645561353 - 2²¹ = 134643464201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134645561053) 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, 352475101 + ... + 352475482.

It is an arithmetic number, because the mean of its divisors is an integer number (33837628032).

Almost surely, 2^134645561353 is an apocalyptic number.

It is an amenable number.

134645561353 is a deficient number, since it is larger than the sum of its proper divisors (704950775).

134645561353 is an equidigital number, since it uses as much as digits as its factorization.

134645561353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704950774.

The product of its digits is 1944000, while the sum is 46.

The spelling of 134645561353 in words is "one hundred thirty-four billion, six hundred forty-five million, five hundred sixty-one thousand, three hundred fifty-three".