200471139 has 16 divisors (see below), whose sum is σ = 323994240. Its totient is φ = 121497480.

The previous prime is 200471137. The next prime is 200471231. The reversal of 200471139 is 931174002.

It is not a de Polignac number, because 200471139 - 2¹ = 200471137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (200471137) 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 in 15 ways as a sum of consecutive naturals, for example, 337197 + ... + 337790.

It is an arithmetic number, because the mean of its divisors is an integer number (20249640).

Almost surely, 2^200471139 is an apocalyptic number.

200471139 is a deficient number, since it is larger than the sum of its proper divisors (123523101).

200471139 is a wasteful number, since it uses less digits than its factorization.

200471139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675007 (or 675001 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 200471139 is about 14158.7831044903. The cubic root of 200471139 is about 585.2623937948.

The spelling of 200471139 in words is "two hundred million, four hundred seventy-one thousand, one hundred thirty-nine".