136616230256 has 20 divisors (see below), whose sum is σ = 288757032504. Its totient is φ = 62098286400.

The previous prime is 136616230249. The next prime is 136616230337. The reversal of 136616230256 is 652032616631.

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, 388114115 + ... + 388114466.

Almost surely, 2^136616230256 is an apocalyptic number.

136616230256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

136616230256 is an abundant number, since it is smaller than the sum of its proper divisors (152140802248).

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

136616230256 is a wasteful number, since it uses less digits than its factorization.

136616230256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776228600 (or 776228594 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 41.

Adding to 136616230256 its reverse (652032616631), we get a palindrome (788648846887).

The spelling of 136616230256 in words is "one hundred thirty-six billion, six hundred sixteen million, two hundred thirty thousand, two hundred fifty-six".