138063883 has 4 divisors (see below), whose sum is σ = 139487320. Its totient is φ = 136640448.

The previous prime is 138063881. The next prime is 138063911. The reversal of 138063883 is 388360831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 388360831 = 61 ⋅6366571.

It is a cyclic number.

It is not a de Polignac number, because 138063883 - 2¹ = 138063881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138063881) 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 3 ways as a sum of consecutive naturals, for example, 711573 + ... + 711766.

It is an arithmetic number, because the mean of its divisors is an integer number (34871830).

Almost surely, 2^138063883 is an apocalyptic number.

138063883 is a deficient number, since it is larger than the sum of its proper divisors (1423437).

138063883 is an equidigital number, since it uses as much as digits as its factorization.

138063883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423436.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 138063883 is about 11750.0588509164. The cubic root of 138063883 is about 516.8446532580.

It can be divided in two parts, 13806 and 3883, that added together give a square (17689 = 133²).

The spelling of 138063883 in words is "one hundred thirty-eight million, sixty-three thousand, eight hundred eighty-three".