200139100 has 144 divisors (see below), whose sum is σ = 535965696. Its totient is φ = 63360000.

The previous prime is 200139097. The next prime is 200139101. The reversal of 200139100 is 1931002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200139101) 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 47 ways as a sum of consecutive naturals, for example, 498900 + ... + 499300.

It is an arithmetic number, because the mean of its divisors is an integer number (3721984).

Almost surely, 2^200139100 is an apocalyptic number.

200139100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200139100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267982848).

200139100 is an abundant number, since it is smaller than the sum of its proper divisors (335826596).

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

200139100 is a wasteful number, since it uses less digits than its factorization.

200139100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476 (or 469 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 200139100 is about 14147.0526965867. The cubic root of 200139100 is about 584.9390931792.

The spelling of 200139100 in words is "two hundred million, one hundred thirty-nine thousand, one hundred".