138364483 has 4 divisors (see below), whose sum is σ = 138413448. Its totient is φ = 138315520.

The previous prime is 138364469. The next prime is 138364493. The reversal of 138364483 is 384463831.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-138364483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138364433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19966 + ... + 25987.

It is an arithmetic number, because the mean of its divisors is an integer number (34603362).

Almost surely, 2^138364483 is an apocalyptic number.

138364483 is a deficient number, since it is larger than the sum of its proper divisors (48965).

138364483 is an equidigital number, since it uses as much as digits as its factorization.

138364483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48964.

The product of its digits is 165888, while the sum is 40.

The square root of 138364483 is about 11762.8433212383. The cubic root of 138364483 is about 517.2194818769.

The spelling of 138364483 in words is "one hundred thirty-eight million, three hundred sixty-four thousand, four hundred eighty-three".