208138010 has 16 divisors (see below), whose sum is σ = 375977376. Its totient is φ = 82959888.

The previous prime is 208138003. The next prime is 208138019. The reversal of 208138010 is 10831802.

It is not an unprimeable number, because it can be changed into a prime (208138019) 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 7 ways as a sum of consecutive naturals, for example, 33944 + ... + 39603.

It is an arithmetic number, because the mean of its divisors is an integer number (23498586).

Almost surely, 2^208138010 is an apocalyptic number.

208138010 is a deficient number, since it is larger than the sum of its proper divisors (167839366).

208138010 is a wasteful number, since it uses less digits than its factorization.

208138010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73837.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 208138010 is about 14426.9889443362. The cubic root of 208138010 is about 592.6302276845.

Adding to 208138010 its reverse (10831802), we get a palindrome (218969812).

The spelling of 208138010 in words is "two hundred eight million, one hundred thirty-eight thousand, ten".