136543800 has 96 divisors (see below), whose sum is σ = 428209200. Its totient is φ = 35988480.

The previous prime is 136543777. The next prime is 136543811. The reversal of 136543800 is 8345631.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52122 + ... + 54678.

Almost surely, 2^136543800 is an apocalyptic number.

136543800 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 136543800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214104600).

136543800 is an abundant number, since it is smaller than the sum of its proper divisors (291665400).

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

136543800 is a wasteful number, since it uses less digits than its factorization.

136543800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2665 (or 2656 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 136543800 is about 11685.1957621599. The cubic root of 136543800 is about 514.9408295987.

The spelling of 136543800 in words is "one hundred thirty-six million, five hundred forty-three thousand, eight hundred".