134422646161 has 4 divisors (see below), whose sum is σ = 134423552692. Its totient is φ = 134421739632.

The previous prime is 134422646159. The next prime is 134422646173. The reversal of 134422646161 is 161646224431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 58622094400 + 75800551761 = 242120^2 + 275319^2 .

It is a cyclic number.

It is not a de Polignac number, because 134422646161 - 2¹ = 134422646159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134422646131) 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, 173130 + ... + 546643.

It is an arithmetic number, because the mean of its divisors is an integer number (33605888173).

Almost surely, 2^134422646161 is an apocalyptic number.

It is an amenable number.

134422646161 is a deficient number, since it is larger than the sum of its proper divisors (906531).

134422646161 is an equidigital number, since it uses as much as digits as its factorization.

134422646161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906530.

The product of its digits is 165888, while the sum is 40.

The spelling of 134422646161 in words is "one hundred thirty-four billion, four hundred twenty-two million, six hundred forty-six thousand, one hundred sixty-one".