136836554400 has 864 divisors, whose sum is σ = 613118757888. Its totient is φ = 27935539200.

The previous prime is 136836554339. The next prime is 136836554467. The reversal of 136836554400 is 4455638631.

136836554400 is a `hidden beast` number, since 1 + 3 + 68 + 36 + 554 + 4 + 0 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 20307832 + ... + 20314568.

It is an arithmetic number, because the mean of its divisors is an integer number (709628192).

Almost surely, 2^136836554400 is an apocalyptic number.

136836554400 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 136836554400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (306559378944).

136836554400 is an abundant number, since it is smaller than the sum of its proper divisors (476282203488).

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

136836554400 is a wasteful number, since it uses less digits than its factorization.

136836554400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6814 (or 6798 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 136836554400 in words is "one hundred thirty-six billion, eight hundred thirty-six million, five hundred fifty-four thousand, four hundred".