238825832139 has 6 divisors (see below), whose sum is σ = 344970646436. Its totient is φ = 159217221420.

The previous prime is 238825832129. The next prime is 238825832183. The reversal of 238825832139 is 931238528832.

It is a happy number.

238825832139 is a `hidden beast` number, since 2 + 3 + 8 + 8 + 2 + 583 + 21 + 39 = 666.

It is not a de Polignac number, because 238825832139 - 2²⁰ = 238824783563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238825832129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13268101777 + ... + 13268101794.

Almost surely, 2^238825832139 is an apocalyptic number.

238825832139 is a deficient number, since it is larger than the sum of its proper divisors (106144814297).

238825832139 is a wasteful number, since it uses less digits than its factorization.

238825832139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26536203577 (or 26536203574 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 54.

The spelling of 238825832139 in words is "two hundred thirty-eight billion, eight hundred twenty-five million, eight hundred thirty-two thousand, one hundred thirty-nine".