136043863612020 has 768 divisors, whose sum is σ = 538893178306560. Its totient is φ = 27717433804800.

The previous prime is 136043863611941. The next prime is 136043863612037. The reversal of 136043863612020 is 20216368340631.

136043863612020 is a `hidden beast` number, since 1 + 3 + 6 + 0 + 4 + 3 + 8 + 6 + 3 + 612 + 0 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 702162879 + ... + 702356601.

It is an arithmetic number, because the mean of its divisors is an integer number (701683825920).

Almost surely, 2^{136043863612020} is an apocalyptic number.

136043863612020 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 136043863612020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269446589153280).

136043863612020 is an abundant number, since it is smaller than the sum of its proper divisors (402849314694540).

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

136043863612020 is a wasteful number, since it uses less digits than its factorization.

136043863612020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194253 (or 194245 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 45.

The spelling of 136043863612020 in words is "one hundred thirty-six trillion, forty-three billion, eight hundred sixty-three million, six hundred twelve thousand, twenty".