200136997 has 2 divisors, whose sum is σ = 200136998. Its totient is φ = 200136996.

The previous prime is 200136983. The next prime is 200137037. The reversal of 200136997 is 799631002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130096836 + 70040161 = 11406^2 + 8369^2 .

It is a cyclic number.

It is not a de Polignac number, because 200136997 - 2¹⁹ = 199612709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200136967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100068498 + 100068499.

It is an arithmetic number, because the mean of its divisors is an integer number (100068499).

Almost surely, 2^200136997 is an apocalyptic number.

It is an amenable number.

200136997 is a deficient number, since it is larger than the sum of its proper divisors (1).

200136997 is an equidigital number, since it uses as much as digits as its factorization.

200136997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 200136997 is about 14146.9783699559. The cubic root of 200136997 is about 584.9370443855.

Adding to 200136997 its reverse (799631002), we get a palindrome (999767999).

The spelling of 200136997 in words is "two hundred million, one hundred thirty-six thousand, nine hundred ninety-seven".