136202340256 has 96 divisors (see below), whose sum is σ = 299403216000. Its totient is φ = 60612452352.

The previous prime is 136202340191. The next prime is 136202340271. The reversal of 136202340256 is 652043202631.

It is a super-2 number, since 2×136202340256² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5869605 + ... + 5892763.

It is an arithmetic number, because the mean of its divisors is an integer number (3118783500).

Almost surely, 2^136202340256 is an apocalyptic number.

136202340256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136202340256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149701608000).

136202340256 is an abundant number, since it is smaller than the sum of its proper divisors (163200875744).

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

136202340256 is a wasteful number, since it uses less digits than its factorization.

136202340256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23774 (or 23766 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 136202340256 its reverse (652043202631), we get a palindrome (788245542887).

The spelling of 136202340256 in words is "one hundred thirty-six billion, two hundred two million, three hundred forty thousand, two hundred fifty-six".