636113600145 has 24 divisors (see below), whose sum is σ = 1103074195392. Its totient is φ = 339113728800.

The previous prime is 636113600123. The next prime is 636113600149. The reversal of 636113600145 is 541006311636.

636113600145 is a `hidden beast` number, since 6 + 3 + 6 + 1 + 1 + 3 + 600 + 1 + 45 = 666.

It is not a de Polignac number, because 636113600145 - 2⁹ = 636113599633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (636113600149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2954391 + ... + 3162380.

It is an arithmetic number, because the mean of its divisors is an integer number (45961424808).

Almost surely, 2^636113600145 is an apocalyptic number.

It is an amenable number.

636113600145 is a deficient number, since it is larger than the sum of its proper divisors (466960595247).

636113600145 is a wasteful number, since it uses less digits than its factorization.

636113600145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6119093 (or 6119090 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The spelling of 636113600145 in words is "six hundred thirty-six billion, one hundred thirteen million, six hundred thousand, one hundred forty-five".