138616348 has 48 divisors (see below), whose sum is σ = 273208320. Its totient is φ = 61113024.

The previous prime is 138616337. The next prime is 138616369. The reversal of 138616348 is 843616831.

It is a happy number.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 138616348.

It is a congruent number.

It is an unprimeable number.

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, 104433 + ... + 105751.

It is an arithmetic number, because the mean of its divisors is an integer number (5691840).

Almost surely, 2^138616348 is an apocalyptic number.

It is an amenable number.

138616348 is a deficient number, since it is larger than the sum of its proper divisors (134591972).

138616348 is a wasteful number, since it uses less digits than its factorization.

138616348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426 (or 1424 counting only the distinct ones).

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

The square root of 138616348 is about 11773.5444110939. The cubic root of 138616348 is about 517.5331233515.

The spelling of 138616348 in words is "one hundred thirty-eight million, six hundred sixteen thousand, three hundred forty-eight".