138385041 has 4 divisors (see below), whose sum is σ = 184513392. Its totient is φ = 92256692.

The previous prime is 138385033. The next prime is 138385073. The reversal of 138385041 is 140583831.

138385041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 138385041 - 2³ = 138385033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 138384993 and 138385011.

It is not an unprimeable number, because it can be changed into a prime (138385001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23064171 + ... + 23064176.

It is an arithmetic number, because the mean of its divisors is an integer number (46128348).

Almost surely, 2^138385041 is an apocalyptic number.

It is an amenable number.

138385041 is a deficient number, since it is larger than the sum of its proper divisors (46128351).

138385041 is an equidigital number, since it uses as much as digits as its factorization.

138385041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46128350.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 138385041 is about 11763.7171421282. The cubic root of 138385041 is about 517.2450965224.

The spelling of 138385041 in words is "one hundred thirty-eight million, three hundred eighty-five thousand, forty-one".