136122565556 has 6 divisors (see below), whose sum is σ = 238214489730. Its totient is φ = 68061282776.

The previous prime is 136122565517. The next prime is 136122565577. The reversal of 136122565556 is 655565221631.

It can be written as a sum of positive squares in only one way, i.e., 99771329956 + 36351235600 = 315866^2 + 190660^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 136122565556.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 17015320691 + ... + 17015320698.

It is an arithmetic number, because the mean of its divisors is an integer number (39702414955).

Almost surely, 2^136122565556 is an apocalyptic number.

It is an amenable number.

136122565556 is a deficient number, since it is larger than the sum of its proper divisors (102091924174).

136122565556 is a wasteful number, since it uses less digits than its factorization.

136122565556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34030641393 (or 34030641391 counting only the distinct ones).

The product of its digits is 1620000, while the sum is 47.

The spelling of 136122565556 in words is "one hundred thirty-six billion, one hundred twenty-two million, five hundred sixty-five thousand, five hundred fifty-six".