138041036 has 24 divisors (see below), whose sum is σ = 281719200. Its totient is φ = 59159856.

The previous prime is 138040939. The next prime is 138041069. The reversal of 138041036 is 630140831.

It is a super-3 number, since 3×138041036³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 138040996 and 138041014.

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, 48935 + ... + 51678.

It is an arithmetic number, because the mean of its divisors is an integer number (11738300).

Almost surely, 2^138041036 is an apocalyptic number.

It is an amenable number.

138041036 is an abundant number, since it is smaller than the sum of its proper divisors (143678164).

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

138041036 is a wasteful number, since it uses less digits than its factorization.

138041036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100638 (or 100622 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 138041036 is about 11749.0866027960. The cubic root of 138041036 is about 516.8161422988.

Adding to 138041036 its reverse (630140831), we get a palindrome (768181867).

The spelling of 138041036 in words is "one hundred thirty-eight million, forty-one thousand, thirty-six".