138533014 has 32 divisors (see below), whose sum is σ = 220540320. Its totient is φ = 65184000.

The previous prime is 138533011. The next prime is 138533053. The reversal of 138533014 is 410335831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138533011) 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 15 ways as a sum of consecutive naturals, for example, 355932 + ... + 356320.

It is an arithmetic number, because the mean of its divisors is an integer number (6891885).

Almost surely, 2^138533014 is an apocalyptic number.

138533014 is a deficient number, since it is larger than the sum of its proper divisors (82007306).

138533014 is a wasteful number, since it uses less digits than its factorization.

138533014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 138533014 is about 11770.0048428197. The cubic root of 138533014 is about 517.4293915972.

Adding to 138533014 its reverse (410335831), we get a palindrome (548868845).

The spelling of 138533014 in words is "one hundred thirty-eight million, five hundred thirty-three thousand, fourteen".