108138285236 has 6 divisors (see below), whose sum is σ = 189241999170. Its totient is φ = 54069142616.

The previous prime is 108138285221. The next prime is 108138285253. The reversal of 108138285236 is 632582831801.

It can be written as a sum of positive squares in only one way, i.e., 107649610000 + 488675236 = 328100^2 + 22106^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 13517285651 + ... + 13517285658.

It is an arithmetic number, because the mean of its divisors is an integer number (31540333195).

Almost surely, 2^108138285236 is an apocalyptic number.

It is an amenable number.

108138285236 is a deficient number, since it is larger than the sum of its proper divisors (81103713934).

108138285236 is a wasteful number, since it uses less digits than its factorization.

108138285236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27034571313 (or 27034571311 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 47.

The spelling of 108138285236 in words is "one hundred eight billion, one hundred thirty-eight million, two hundred eighty-five thousand, two hundred thirty-six".