138236141 has 8 divisors (see below), whose sum is σ = 144789120. Its totient is φ = 131728432.

The previous prime is 138236123. The next prime is 138236159. The reversal of 138236141 is 141632831.

138236141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (138236123) and next prime (138236159).

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

It is a cyclic number.

It is not a de Polignac number, because 138236141 - 2²² = 134041837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138236101) 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, 4985 + ... + 17358.

It is an arithmetic number, because the mean of its divisors is an integer number (18098640).

Almost surely, 2^138236141 is an apocalyptic number.

It is an amenable number.

138236141 is a deficient number, since it is larger than the sum of its proper divisors (6552979).

138236141 is a wasteful number, since it uses less digits than its factorization.

138236141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22635.

The product of its digits is 3456, while the sum is 29.

The square root of 138236141 is about 11757.3866569064. The cubic root of 138236141 is about 517.0595142414.

Adding to 138236141 its reverse (141632831), we get a palindrome (279868972).

The spelling of 138236141 in words is "one hundred thirty-eight million, two hundred thirty-six thousand, one hundred forty-one".