200138753 has 4 divisors (see below), whose sum is σ = 205020228. Its totient is φ = 195257280.

The previous prime is 200138749. The next prime is 200138791. The reversal of 200138753 is 357831002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 106977649 + 93161104 = 10343^2 + 9652^2 .

It is a cyclic number.

It is not a de Polignac number, because 200138753 - 2² = 200138749 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200138713) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2440676 + ... + 2440757.

It is an arithmetic number, because the mean of its divisors is an integer number (51255057).

Almost surely, 2^200138753 is an apocalyptic number.

It is an amenable number.

200138753 is a deficient number, since it is larger than the sum of its proper divisors (4881475).

200138753 is an equidigital number, since it uses as much as digits as its factorization.

200138753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4881474.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 200138753 is about 14147.0404325428. The cubic root of 200138753 is about 584.9387551244.

Adding to 200138753 its reverse (357831002), we get a palindrome (557969755).

The spelling of 200138753 in words is "two hundred million, one hundred thirty-eight thousand, seven hundred fifty-three".