136622600321 has 4 divisors (see below), whose sum is σ = 141333724500. Its totient is φ = 131911476144.

The previous prime is 136622600297. The next prime is 136622600327. The reversal of 136622600321 is 123006226631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 123006226631 = 2017 ⋅60984743.

It can be written as a sum of positive squares in 2 ways, for example, as 27203884096 + 109418716225 = 164936^2 + 330785^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136622600321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136622600327) 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, 2355562046 + ... + 2355562103.

It is an arithmetic number, because the mean of its divisors is an integer number (35333431125).

Almost surely, 2^136622600321 is an apocalyptic number.

It is an amenable number.

136622600321 is a deficient number, since it is larger than the sum of its proper divisors (4711124179).

136622600321 is an equidigital number, since it uses as much as digits as its factorization.

136622600321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4711124178.

The product of its (nonzero) digits is 15552, while the sum is 32.

Adding to 136622600321 its reverse (123006226631), we get a palindrome (259628826952).

The spelling of 136622600321 in words is "one hundred thirty-six billion, six hundred twenty-two million, six hundred thousand, three hundred twenty-one".