134561343241 has 12 divisors (see below), whose sum is σ = 148061086852. Its totient is φ = 121567668768.

The previous prime is 134561343239. The next prime is 134561343263. The reversal of 134561343241 is 142343165431.

It can be written as a sum of positive squares in 2 ways, for example, as 82385646841 + 52175696400 = 287029^2 + 228420^2 .

It is not a de Polignac number, because 134561343241 - 2¹ = 134561343239 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 134561343241.

It is not an unprimeable number, because it can be changed into a prime (134561343281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2314170 + ... + 2371603.

Almost surely, 2^134561343241 is an apocalyptic number.

It is an amenable number.

134561343241 is a deficient number, since it is larger than the sum of its proper divisors (13499743611).

134561343241 is an equidigital number, since it uses as much as digits as its factorization.

134561343241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4685880 (or 4685833 counting only the distinct ones).

The product of its digits is 103680, while the sum is 37.

The spelling of 134561343241 in words is "one hundred thirty-four billion, five hundred sixty-one million, three hundred forty-three thousand, two hundred forty-one".