136145646563 has 2 divisors, whose sum is σ = 136145646564. Its totient is φ = 136145646562.

The previous prime is 136145646547. The next prime is 136145646577. The reversal of 136145646563 is 365646541631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136145646563 - 2⁴ = 136145646547 is a prime.

It is not a weakly prime, because it can be changed into another prime (136145646583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68072823281 + 68072823282.

It is an arithmetic number, because the mean of its divisors is an integer number (68072823282).

Almost surely, 2^136145646563 is an apocalyptic number.

136145646563 is a deficient number, since it is larger than the sum of its proper divisors (1).

136145646563 is an equidigital number, since it uses as much as digits as its factorization.

136145646563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4665600, while the sum is 50.

The spelling of 136145646563 in words is "one hundred thirty-six billion, one hundred forty-five million, six hundred forty-six thousand, five hundred sixty-three".