136613529412 has 6 divisors (see below), whose sum is σ = 239073676478. Its totient is φ = 68306764704.

The previous prime is 136613529379. The next prime is 136613529413. The reversal of 136613529412 is 214925316631.

It can be written as a sum of positive squares in only one way, i.e., 115371632896 + 21241896516 = 339664^2 + 145746^2 .

It is not an unprimeable number, because it can be changed into a prime (136613529413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17076691173 + ... + 17076691180.

Almost surely, 2^136613529412 is an apocalyptic number.

It is an amenable number.

136613529412 is a deficient number, since it is larger than the sum of its proper divisors (102460147066).

136613529412 is a wasteful number, since it uses less digits than its factorization.

136613529412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34153382357 (or 34153382355 counting only the distinct ones).

The product of its digits is 233280, while the sum is 43.

The spelling of 136613529412 in words is "one hundred thirty-six billion, six hundred thirteen million, five hundred twenty-nine thousand, four hundred twelve".