136645563356 has 12 divisors (see below), whose sum is σ = 241594991568. Its totient is φ = 67618422912.

The previous prime is 136645563337. The next prime is 136645563359. The reversal of 136645563356 is 653365546631.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 136645563298 and 136645563307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136645563359) 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 3 ways as a sum of consecutive naturals, for example, 176089256 + ... + 176090031.

It is an arithmetic number, because the mean of its divisors is an integer number (20132915964).

Almost surely, 2^136645563356 is an apocalyptic number.

It is an amenable number.

136645563356 is a deficient number, since it is larger than the sum of its proper divisors (104949428212).

136645563356 is a wasteful number, since it uses less digits than its factorization.

136645563356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352179388 (or 352179386 counting only the distinct ones).

The product of its digits is 17496000, while the sum is 53.

The spelling of 136645563356 in words is "one hundred thirty-six billion, six hundred forty-five million, five hundred sixty-three thousand, three hundred fifty-six".