136474021800 has 192 divisors, whose sum is σ = 485241561600. Its totient is φ = 35219059200.

The previous prime is 136474021787. The next prime is 136474021861. The reversal of 136474021800 is 8120474631.

136474021800 is a `hidden beast` number, since 1 + 3 + 6 + 474 + 0 + 2 + 180 + 0 = 666.

136474021800 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 240229 + ... + 575028.

It is an arithmetic number, because the mean of its divisors is an integer number (2527299800).

Almost surely, 2^136474021800 is an apocalyptic number.

136474021800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136474021800 is an abundant number, since it is smaller than the sum of its proper divisors (348767539800).

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

136474021800 is a wasteful number, since it uses less digits than its factorization.

136474021800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815313 (or 815298 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 136474021800 in words is "one hundred thirty-six billion, four hundred seventy-four million, twenty-one thousand, eight hundred".