136023601313256 has 64 divisors (see below), whose sum is σ = 363824990644800. Its totient is φ = 42250644057600.

The previous prime is 136023601313251. The next prime is 136023601313263. The reversal of 136023601313256 is 652313106320631.

It is a super-2 number, since 2×136023601313256² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (136023601313251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2445032605 + ... + 2445088236.

It is an arithmetic number, because the mean of its divisors is an integer number (5684765478825).

Almost surely, 2^{136023601313256} is an apocalyptic number.

It is an amenable number.

136023601313256 is an abundant number, since it is smaller than the sum of its proper divisors (227801389331544).

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

136023601313256 is a wasteful number, since it uses less digits than its factorization.

136023601313256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4890120930 (or 4890120926 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 42.

Adding to 136023601313256 its reverse (652313106320631), we get a palindrome (788336707633887).

The spelling of 136023601313256 in words is "one hundred thirty-six trillion, twenty-three billion, six hundred one million, three hundred thirteen thousand, two hundred fifty-six".