138363013 has 8 divisors (see below), whose sum is σ = 143873280. Its totient is φ = 132918240.

The previous prime is 138363011. The next prime is 138363023. The reversal of 138363013 is 310363831.

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 138363013 - 2¹ = 138363011 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 (138363011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12043 + ... + 20536.

It is an arithmetic number, because the mean of its divisors is an integer number (17984160).

Almost surely, 2^138363013 is an apocalyptic number.

It is an amenable number.

138363013 is a deficient number, since it is larger than the sum of its proper divisors (5510267).

138363013 is a wasteful number, since it uses less digits than its factorization.

138363013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32747.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 138363013 is about 11762.7808361799. The cubic root of 138363013 is about 517.2176502042.

The spelling of 138363013 in words is "one hundred thirty-eight million, three hundred sixty-three thousand, thirteen".