138846543 has 8 divisors (see below), whose sum is σ = 201958656. Its totient is φ = 84149400.

The previous prime is 138846503. The next prime is 138846569. The reversal of 138846543 is 345648831.

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

It is not a de Polignac number, because 138846543 - 2⁹ = 138846031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 138846495 and 138846504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138846503) 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, 2103703 + ... + 2103768.

It is an arithmetic number, because the mean of its divisors is an integer number (25244832).

Almost surely, 2^138846543 is an apocalyptic number.

138846543 is a deficient number, since it is larger than the sum of its proper divisors (63112113).

138846543 is a wasteful number, since it uses less digits than its factorization.

138846543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4207485.

The product of its digits is 276480, while the sum is 42.

The square root of 138846543 is about 11783.3162989033. The cubic root of 138846543 is about 517.8194475668.

The spelling of 138846543 in words is "one hundred thirty-eight million, eight hundred forty-six thousand, five hundred forty-three".