136703681518851 has 32 divisors (see below), whose sum is σ = 202578965406720. Its totient is φ = 91111043482272.

The previous prime is 136703681518841. The next prime is 136703681518897. The reversal of 136703681518851 is 158815186307631.

136703681518851 is a `hidden beast` number, since 1 + 3 + 6 + 7 + 0 + 3 + 68 + 1 + 518 + 8 + 51 = 666.

It is not a de Polignac number, because 136703681518851 - 2¹³ = 136703681510659 is a prime.

It is a super-3 number, since 3×136703681518851³ (a number of 43 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (136703681518841) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3471996201 + ... + 3472035573.

It is an arithmetic number, because the mean of its divisors is an integer number (6330592668960).

Almost surely, 2^{136703681518851} is an apocalyptic number.

136703681518851 is a deficient number, since it is larger than the sum of its proper divisors (65875283887869).

136703681518851 is a wasteful number, since it uses less digits than its factorization.

136703681518851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71032 (or 71026 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 63.

The spelling of 136703681518851 in words is "one hundred thirty-six trillion, seven hundred three billion, six hundred eighty-one million, five hundred eighteen thousand, eight hundred fifty-one".