138041048 has 32 divisors (see below), whose sum is σ = 264625920. Its totient is φ = 67488000.

The previous prime is 138040939. The next prime is 138041069. The reversal of 138041048 is 840140831.

138041048 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 138041048.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92468 + ... + 93948.

It is an arithmetic number, because the mean of its divisors is an integer number (8269560).

Almost surely, 2^138041048 is an apocalyptic number.

It is an amenable number.

138041048 is a deficient number, since it is larger than the sum of its proper divisors (126584872).

138041048 is a wasteful number, since it uses less digits than its factorization.

138041048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1739 (or 1735 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 138041048 is about 11749.0871134740. The cubic root of 138041048 is about 516.8161572746.

Adding to 138041048 its reverse (840140831), we get a palindrome (978181879).

The spelling of 138041048 in words is "one hundred thirty-eight million, forty-one thousand, forty-eight".