136563046461 has 6 divisors (see below), whose sum is σ = 197257733790. Its totient is φ = 91042030968.

The previous prime is 136563046429. The next prime is 136563046531. The reversal of 136563046461 is 164640365631.

136563046461 is a `hidden beast` number, since 1 + 3 + 6 + 5 + 630 + 4 + 6 + 4 + 6 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 133901105625 + 2661940836 = 365925^2 + 51594^2 .

It is not a de Polignac number, because 136563046461 - 2⁵ = 136563046429 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136543046461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7586835906 + ... + 7586835923.

It is an arithmetic number, because the mean of its divisors is an integer number (32876288965).

Almost surely, 2^136563046461 is an apocalyptic number.

It is an amenable number.

136563046461 is a deficient number, since it is larger than the sum of its proper divisors (60694687329).

136563046461 is a wasteful number, since it uses less digits than its factorization.

136563046461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15173671835 (or 15173671832 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The spelling of 136563046461 in words is "one hundred thirty-six billion, five hundred sixty-three million, forty-six thousand, four hundred sixty-one".