136163347281 has 48 divisors (see below), whose sum is σ = 215381770240. Its totient is φ = 82380965760.

The previous prime is 136163347261. The next prime is 136163347283. The reversal of 136163347281 is 182743361631.

136163347281 is a `hidden beast` number, since 1 + 3 + 6 + 1 + 633 + 4 + 7 + 2 + 8 + 1 = 666.

It is not a de Polignac number, because 136163347281 - 2⁵ = 136163347249 is a prime.

It is a super-2 number, since 2×136163347281² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (136163347283) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26597040 + ... + 26602158.

Almost surely, 2^136163347281 is an apocalyptic number.

It is an amenable number.

136163347281 is a deficient number, since it is larger than the sum of its proper divisors (79218422959).

136163347281 is a wasteful number, since it uses less digits than its factorization.

136163347281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8926 (or 8923 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The spelling of 136163347281 in words is "one hundred thirty-six billion, one hundred sixty-three million, three hundred forty-seven thousand, two hundred eighty-one".