138324463 has 8 divisors (see below), whose sum is σ = 143186432. Its totient is φ = 133521696.

The previous prime is 138324443. The next prime is 138324467. The reversal of 138324463 is 364423831.

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 138324463 - 2¹³ = 138316271 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 (138324467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10020 + ... + 19417.

It is an arithmetic number, because the mean of its divisors is an integer number (17898304).

Almost surely, 2^138324463 is an apocalyptic number.

138324463 is a deficient number, since it is larger than the sum of its proper divisors (4861969).

138324463 is a wasteful number, since it uses less digits than its factorization.

138324463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29601.

The product of its digits is 41472, while the sum is 34.

The square root of 138324463 is about 11761.1420788969. The cubic root of 138324463 is about 517.1696108908.

The spelling of 138324463 in words is "one hundred thirty-eight million, three hundred twenty-four thousand, four hundred sixty-three".