2001534688136 has 16 divisors (see below), whose sum is σ = 3755911412940. Its totient is φ = 999958311360.

The previous prime is 2001534688129. The next prime is 2001534688151. The reversal of 2001534688136 is 6318864351002.

It can be written as a sum of positive squares in 2 ways, for example, as 1696271808100 + 305262880036 = 1302410^2 + 552506^2 .

It is a super-2 number, since 2×2001534688136² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101118575 + ... + 101138366.

Almost surely, 2^{2001534688136} is an apocalyptic number.

It is an amenable number.

2001534688136 is a deficient number, since it is larger than the sum of its proper divisors (1754376724804).

2001534688136 is a wasteful number, since it uses less digits than its factorization.

2001534688136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202258184 (or 202258180 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 2001534688136 in words is "two trillion, one billion, five hundred thirty-four million, six hundred eighty-eight thousand, one hundred thirty-six".