136636756061 has 8 divisors (see below), whose sum is σ = 147154842744. Its totient is φ = 126119750400.

The previous prime is 136636756057. The next prime is 136636756079. The reversal of 136636756061 is 160657636631.

It can be written as a sum of positive squares in 4 ways, for example, as 1980784036 + 134655972025 = 44506^2 + 366955^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 136636756061 - 2² = 136636756057 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136636756001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2465 + ... + 522761.

It is an arithmetic number, because the mean of its divisors is an integer number (18394355343).

Almost surely, 2^136636756061 is an apocalyptic number.

It is an amenable number.

136636756061 is a deficient number, since it is larger than the sum of its proper divisors (10518086683).

136636756061 is a wasteful number, since it uses less digits than its factorization.

136636756061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540511.

The product of its (nonzero) digits is 2449440, while the sum is 50.

The spelling of 136636756061 in words is "one hundred thirty-six billion, six hundred thirty-six million, seven hundred fifty-six thousand, sixty-one".