135044006161 has 4 divisors (see below), whose sum is σ = 135077712192. Its totient is φ = 135010300132.

The previous prime is 135044006159. The next prime is 135044006171. The reversal of 135044006161 is 161600440531.

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: 161600440531 = 97 ⋅1665983923.

It is a cyclic number.

It is not a de Polignac number, because 135044006161 - 2¹ = 135044006159 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135044006101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16847005 + ... + 16855018.

It is an arithmetic number, because the mean of its divisors is an integer number (33769428048).

Almost surely, 2^135044006161 is an apocalyptic number.

It is an amenable number.

135044006161 is a deficient number, since it is larger than the sum of its proper divisors (33706031).

135044006161 is an equidigital number, since it uses as much as digits as its factorization.

135044006161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33706030.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 135044006161 its reverse (161600440531), we get a palindrome (296644446692).

The spelling of 135044006161 in words is "one hundred thirty-five billion, forty-four million, six thousand, one hundred sixty-one".