200309129 has 8 divisors (see below), whose sum is σ = 203266560. Its totient is φ = 197364816.

The previous prime is 200309117. The next prime is 200309143. The reversal of 200309129 is 921903002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200309129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200309098 and 200309107.

It is not an unprimeable number, because it can be changed into a prime (200309429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29912 + ... + 35990.

It is an arithmetic number, because the mean of its divisors is an integer number (25408320).

Almost surely, 2^200309129 is an apocalyptic number.

It is an amenable number.

200309129 is a deficient number, since it is larger than the sum of its proper divisors (2957431).

200309129 is an equidigital number, since it uses as much as digits as its factorization.

200309129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6559.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 200309129 is about 14153.0607643718. The cubic root of 200309129 is about 585.1046921015.

The spelling of 200309129 in words is "two hundred million, three hundred nine thousand, one hundred twenty-nine".