200397137 has 4 divisors (see below), whose sum is σ = 209110080. Its totient is φ = 191684196.

The previous prime is 200397121. The next prime is 200397149. The reversal of 200397137 is 731793002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 200397137 - 2⁴ = 200397121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200396137) 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, 4356437 + ... + 4356482.

It is an arithmetic number, because the mean of its divisors is an integer number (52277520).

Almost surely, 2^200397137 is an apocalyptic number.

It is an amenable number.

200397137 is a deficient number, since it is larger than the sum of its proper divisors (8712943).

200397137 is an equidigital number, since it uses as much as digits as its factorization.

200397137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8712942.

The product of its (nonzero) digits is 7938, while the sum is 32.

The square root of 200397137 is about 14156.1695737230. The cubic root of 200397137 is about 585.1903702636.

The spelling of 200397137 in words is "two hundred million, three hundred ninety-seven thousand, one hundred thirty-seven".