136078453361 has 2 divisors, whose sum is σ = 136078453362. Its totient is φ = 136078453360.

The previous prime is 136078453309. The next prime is 136078453387. The reversal of 136078453361 is 163354870631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89741585761 + 46336867600 = 299569^2 + 215260^2 .

It is a cyclic number.

It is not a de Polignac number, because 136078453361 - 2¹⁰ = 136078452337 is a prime.

It is not a weakly prime, because it can be changed into another prime (136078453061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68039226680 + 68039226681.

It is an arithmetic number, because the mean of its divisors is an integer number (68039226681).

Almost surely, 2^136078453361 is an apocalyptic number.

It is an amenable number.

136078453361 is a deficient number, since it is larger than the sum of its proper divisors (1).

136078453361 is an equidigital number, since it uses as much as digits as its factorization.

136078453361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 47.

The spelling of 136078453361 in words is "one hundred thirty-six billion, seventy-eight million, four hundred fifty-three thousand, three hundred sixty-one".