136243036020 has 192 divisors, whose sum is σ = 469841541120. Its totient is φ = 28725760512.

The previous prime is 136243036019. The next prime is 136243036067. The reversal of 136243036020 is 20630342631.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8613439 + ... + 8629241.

It is an arithmetic number, because the mean of its divisors is an integer number (2447091360).

Almost surely, 2^136243036020 is an apocalyptic number.

136243036020 is a gapful number since it is divisible by the number (10) 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 136243036020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234920770560).

136243036020 is an abundant number, since it is smaller than the sum of its proper divisors (333598505100).

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

136243036020 is a wasteful number, since it uses less digits than its factorization.

136243036020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17414 (or 17412 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 136243036020 its reverse (20630342631), we get a palindrome (156873378651).

The spelling of 136243036020 in words is "one hundred thirty-six billion, two hundred forty-three million, thirty-six thousand, twenty".