136518594844633 has 2 divisors, whose sum is σ = 136518594844634. Its totient is φ = 136518594844632.

The previous prime is 136518594844613. The next prime is 136518594844691. The reversal of 136518594844633 is 336448495815631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134987032665664 + 1531562178969 = 11618392^2 + 1237563^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136518594844633 is a prime.

It is not a weakly prime, because it can be changed into another prime (136518594844613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68259297422316 + 68259297422317.

It is an arithmetic number, because the mean of its divisors is an integer number (68259297422317).

Almost surely, 2^{136518594844633} is an apocalyptic number.

It is an amenable number.

136518594844633 is a deficient number, since it is larger than the sum of its proper divisors (1).

136518594844633 is an equidigital number, since it uses as much as digits as its factorization.

136518594844633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 895795200, while the sum is 70.

The spelling of 136518594844633 in words is "one hundred thirty-six trillion, five hundred eighteen billion, five hundred ninety-four million, eight hundred forty-four thousand, six hundred thirty-three".