138830341 has 4 divisors (see below), whose sum is σ = 149509612. Its totient is φ = 128151072.

The previous prime is 138830317. The next prime is 138830371. The reversal of 138830341 is 143038831.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 56565441 + 82264900 = 7521^2 + 9070^2 .

It is a cyclic number.

It is not a de Polignac number, because 138830341 - 2⁵ = 138830309 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 (138830371) 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, 5339616 + ... + 5339641.

It is an arithmetic number, because the mean of its divisors is an integer number (37377403).

Almost surely, 2^138830341 is an apocalyptic number.

It is an amenable number.

138830341 is a deficient number, since it is larger than the sum of its proper divisors (10679271).

138830341 is a wasteful number, since it uses less digits than its factorization.

138830341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10679270.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 138830341 is about 11782.6287813883. The cubic root of 138830341 is about 517.7993053367.

The spelling of 138830341 in words is "one hundred thirty-eight million, eight hundred thirty thousand, three hundred forty-one".