138049941 has 8 divisors (see below), whose sum is σ = 184121920. Its totient is φ = 92005632.

The previous prime is 138049939. The next prime is 138049957. The reversal of 138049941 is 149940831.

138049941 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 138049941 - 2¹ = 138049939 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 138049941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138049981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12576 + ... + 20838.

It is an arithmetic number, because the mean of its divisors is an integer number (23015240).

Almost surely, 2^138049941 is an apocalyptic number.

It is an amenable number.

138049941 is a deficient number, since it is larger than the sum of its proper divisors (46071979).

138049941 is an equidigital number, since it uses as much as digits as its factorization.

138049941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13835.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 138049941 is about 11749.4655623139. The cubic root of 138049941 is about 516.8272552957.

The spelling of 138049941 in words is "one hundred thirty-eight million, forty-nine thousand, nine hundred forty-one".