136551516644 has 6 divisors (see below), whose sum is σ = 238965154134. Its totient is φ = 68275758320.

The previous prime is 136551516643. The next prime is 136551516653. The reversal of 136551516644 is 446615155631.

It can be written as a sum of positive squares in only one way, i.e., 130169424100 + 6382092544 = 360790^2 + 79888^2 .

It is not an unprimeable number, because it can be changed into a prime (136551516643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17068939577 + ... + 17068939584.

It is an arithmetic number, because the mean of its divisors is an integer number (39827525689).

Almost surely, 2^136551516644 is an apocalyptic number.

It is an amenable number.

136551516644 is a deficient number, since it is larger than the sum of its proper divisors (102413637490).

136551516644 is a wasteful number, since it uses less digits than its factorization.

136551516644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34137879165 (or 34137879163 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 47.

The spelling of 136551516644 in words is "one hundred thirty-six billion, five hundred fifty-one million, five hundred sixteen thousand, six hundred forty-four".