136071571152961 has 2 divisors, whose sum is σ = 136071571152962. Its totient is φ = 136071571152960.

The previous prime is 136071571152943. The next prime is 136071571153087. The reversal of 136071571152961 is 169251175170631.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110909459198736 + 25162111954225 = 10531356^2 + 5016185^2 .

It is an emirp because it is prime and its reverse (169251175170631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136071571152961 - 2²⁷ = 136071436935233 is a prime.

It is not a weakly prime, because it can be changed into another prime (136071571152911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68035785576480 + 68035785576481.

It is an arithmetic number, because the mean of its divisors is an integer number (68035785576481).

Almost surely, 2^{136071571152961} is an apocalyptic number.

It is an amenable number.

136071571152961 is a deficient number, since it is larger than the sum of its proper divisors (1).

136071571152961 is an equidigital number, since it uses as much as digits as its factorization.

136071571152961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2381400, while the sum is 55.

The spelling of 136071571152961 in words is "one hundred thirty-six trillion, seventy-one billion, five hundred seventy-one million, one hundred fifty-two thousand, nine hundred sixty-one".