136291252193 has 2 divisors, whose sum is σ = 136291252194. Its totient is φ = 136291252192.

The previous prime is 136291252169. The next prime is 136291252199. The reversal of 136291252193 is 391252192631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135874806544 + 416445649 = 368612^2 + 20407^2 .

It is a cyclic number.

It is not a de Polignac number, because 136291252193 - 2¹⁶ = 136291186657 is a prime.

It is not a weakly prime, because it can be changed into another prime (136291252199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68145626096 + 68145626097.

It is an arithmetic number, because the mean of its divisors is an integer number (68145626097).

Almost surely, 2^136291252193 is an apocalyptic number.

It is an amenable number.

136291252193 is a deficient number, since it is larger than the sum of its proper divisors (1).

136291252193 is an equidigital number, since it uses as much as digits as its factorization.

136291252193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 174960, while the sum is 44.

The spelling of 136291252193 in words is "one hundred thirty-six billion, two hundred ninety-one million, two hundred fifty-two thousand, one hundred ninety-three".