200138003503 has 4 divisors (see below), whose sum is σ = 200151987120. Its totient is φ = 200124019888.

The previous prime is 200138003453. The next prime is 200138003531. The reversal of 200138003503 is 305300831002.

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

It is a cyclic number.

It is not a de Polignac number, because 200138003503 - 2¹³ = 200137995311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201138003503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6970318 + ... + 6998971.

It is an arithmetic number, because the mean of its divisors is an integer number (50037996780).

Almost surely, 2^200138003503 is an apocalyptic number.

200138003503 is a deficient number, since it is larger than the sum of its proper divisors (13983617).

200138003503 is a wasteful number, since it uses less digits than its factorization.

200138003503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13983616.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 200138003503 its reverse (305300831002), we get a palindrome (505438834505).

The spelling of 200138003503 in words is "two hundred billion, one hundred thirty-eight million, three thousand, five hundred three".