200283138 has 64 divisors (see below), whose sum is σ = 488592000. Its totient is φ = 60310080.

The previous prime is 200283113. The next prime is 200283169. The reversal of 200283138 is 831382002.

It is a super-2 number, since 2×200283138² = 80226670734254088, which contains 22 as substring.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101788 + ... + 103736.

It is an arithmetic number, because the mean of its divisors is an integer number (7634250).

Almost surely, 2^200283138 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200283138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244296000).

200283138 is an abundant number, since it is smaller than the sum of its proper divisors (288308862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200283138 is a wasteful number, since it uses less digits than its factorization.

200283138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2144 (or 2138 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 200283138 is about 14152.1425233072. The cubic root of 200283138 is about 585.0793843619.

The spelling of 200283138 in words is "two hundred million, two hundred eighty-three thousand, one hundred thirty-eight".