136328508762681 has 64 divisors (see below), whose sum is σ = 184332078120960. Its totient is φ = 89616444180480.

The previous prime is 136328508762647. The next prime is 136328508762709. The reversal of 136328508762681 is 186267805823631.

It is not a de Polignac number, because 136328508762681 - 2¹⁰ = 136328508761657 is a prime.

It is a super-2 number, since 2×136328508762681² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (136328508761681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 72169670185 + ... + 72169672073.

It is an arithmetic number, because the mean of its divisors is an integer number (2880188720640).

Almost surely, 2^{136328508762681} is an apocalyptic number.

It is an amenable number.

136328508762681 is a deficient number, since it is larger than the sum of its proper divisors (48003569358279).

136328508762681 is a wasteful number, since it uses less digits than its factorization.

136328508762681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3886.

The product of its (nonzero) digits is 139345920, while the sum is 66.

The spelling of 136328508762681 in words is "one hundred thirty-six trillion, three hundred twenty-eight billion, five hundred eight million, seven hundred sixty-two thousand, six hundred eighty-one".