136566044408 has 8 divisors (see below), whose sum is σ = 256061333280. Its totient is φ = 68283022200.

The previous prime is 136566044389. The next prime is 136566044413. The reversal of 136566044408 is 804440665631.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8535377768 + ... + 8535377783.

It is an arithmetic number, because the mean of its divisors is an integer number (32007666660).

Almost surely, 2^136566044408 is an apocalyptic number.

It is an amenable number.

136566044408 is a deficient number, since it is larger than the sum of its proper divisors (119495288872).

136566044408 is a wasteful number, since it uses less digits than its factorization.

136566044408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17070755557 (or 17070755553 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 47.

The spelling of 136566044408 in words is "one hundred thirty-six billion, five hundred sixty-six million, forty-four thousand, four hundred eight".