136516164322 has 4 divisors (see below), whose sum is σ = 204774246486. Its totient is φ = 68258082160.

The previous prime is 136516164311. The next prime is 136516164383. The reversal of 136516164322 is 223461615631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 223461615631 = 499 ⋅447818869.

It can be written as a sum of positive squares in only one way, i.e., 117348038721 + 19168125601 = 342561^2 + 138449^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34129041079 + ... + 34129041082.

Almost surely, 2^136516164322 is an apocalyptic number.

136516164322 is a deficient number, since it is larger than the sum of its proper divisors (68258082164).

136516164322 is an equidigital number, since it uses as much as digits as its factorization.

136516164322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68258082163.

The product of its digits is 155520, while the sum is 40.

Adding to 136516164322 its reverse (223461615631), we get a palindrome (359977779953).

The spelling of 136516164322 in words is "one hundred thirty-six billion, five hundred sixteen million, one hundred sixty-four thousand, three hundred twenty-two".