136543501236 has 12 divisors (see below), whose sum is σ = 318601502912. Its totient is φ = 45514500408.

The previous prime is 136543501183. The next prime is 136543501253. The reversal of 136543501236 is 632105345631.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 136543501194 and 136543501203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5689312540 + ... + 5689312563.

Almost surely, 2^136543501236 is an apocalyptic number.

It is an amenable number.

136543501236 is an abundant number, since it is smaller than the sum of its proper divisors (182058001676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136543501236 is a wasteful number, since it uses less digits than its factorization.

136543501236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11378625110 (or 11378625108 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 39.

Adding to 136543501236 its reverse (632105345631), we get a palindrome (768648846867).

The spelling of 136543501236 in words is "one hundred thirty-six billion, five hundred forty-three million, five hundred one thousand, two hundred thirty-six".