80136200 has 24 divisors (see below), whose sum is σ = 186317130. Its totient is φ = 32054400.

The previous prime is 80136197. The next prime is 80136211. The reversal of 80136200 is 263108.

It can be written as a sum of positive squares in 3 ways, for example, as 62378404 + 17757796 = 7898^2 + 4214^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 200141 + ... + 200540.

Almost surely, 2^80136200 is an apocalyptic number.

It is an amenable number.

80136200 is an abundant number, since it is smaller than the sum of its proper divisors (106180930).

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

80136200 is a wasteful number, since it uses less digits than its factorization.

80136200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400697 (or 400688 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 80136200 is about 8951.8824835897. The cubic root of 80136200 is about 431.1313277050.

Adding to 80136200 its reverse (263108), we get a palindrome (80399308).

The spelling of 80136200 in words is "eighty million, one hundred thirty-six thousand, two hundred".