200136505 has 8 divisors (see below), whose sum is σ = 240366600. Its totient is φ = 159974016.

The previous prime is 200136463. The next prime is 200136553. The reversal of 200136505 is 505631002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 137663289 + 62473216 = 11733^2 + 7904^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200136505 - 2¹¹ = 200134457 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10140 + ... + 22429.

It is an arithmetic number, because the mean of its divisors is an integer number (30045825).

Almost surely, 2^200136505 is an apocalyptic number.

It is an amenable number.

200136505 is a deficient number, since it is larger than the sum of its proper divisors (40230095).

200136505 is a wasteful number, since it uses less digits than its factorization.

200136505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33803.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 200136505 is about 14146.9609810729. The cubic root of 200136505 is about 584.9365650650.

Adding to 200136505 its reverse (505631002), we get a palindrome (705767507).

The spelling of 200136505 in words is "two hundred million, one hundred thirty-six thousand, five hundred five".