138851852 has 48 divisors (see below), whose sum is σ = 267724800. Its totient is φ = 62726400.

The previous prime is 138851833. The next prime is 138851863. The reversal of 138851852 is 258158831.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 419327 + ... + 419657.

It is an arithmetic number, because the mean of its divisors is an integer number (5577600).

Almost surely, 2^138851852 is an apocalyptic number.

It is an amenable number.

138851852 is a deficient number, since it is larger than the sum of its proper divisors (128872948).

138851852 is a wasteful number, since it uses less digits than its factorization.

138851852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582 (or 580 counting only the distinct ones).

The product of its digits is 76800, while the sum is 41.

The square root of 138851852 is about 11783.5415728889. The cubic root of 138851852 is about 517.8260473432.

The spelling of 138851852 in words is "one hundred thirty-eight million, eight hundred fifty-one thousand, eight hundred fifty-two".