136474063538 has 8 divisors (see below), whose sum is σ = 205297661100. Its totient is φ = 68041509840.

The previous prime is 136474063501. The next prime is 136474063571. The reversal of 136474063538 is 835360474631.

It can be written as a sum of positive squares in 2 ways, for example, as 135337901689 + 1136161849 = 367883^2 + 33707^2 .

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

It is a super-2 number, since 2×136474063538² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97760093 + ... + 97761488.

Almost surely, 2^136474063538 is an apocalyptic number.

136474063538 is a deficient number, since it is larger than the sum of its proper divisors (68823597562).

136474063538 is a wasteful number, since it uses less digits than its factorization.

136474063538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195521932.

The product of its (nonzero) digits is 4354560, while the sum is 50.

The spelling of 136474063538 in words is "one hundred thirty-six billion, four hundred seventy-four million, sixty-three thousand, five hundred thirty-eight".