138327716 has 24 divisors (see below), whose sum is σ = 245732760. Its totient is φ = 68124672.

The previous prime is 138327713. The next prime is 138327751. The reversal of 138327716 is 617723831.

138327716 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 9278116 + 129049600 = 3046^2 + 11360^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 138327716.

It is not an unprimeable number, because it can be changed into a prime (138327713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119396 + ... + 120548.

It is an arithmetic number, because the mean of its divisors is an integer number (10238865).

Almost surely, 2^138327716 is an apocalyptic number.

It is an amenable number.

138327716 is a deficient number, since it is larger than the sum of its proper divisors (107405044).

138327716 is a wasteful number, since it uses less digits than its factorization.

138327716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1583 (or 1581 counting only the distinct ones).

The product of its digits is 42336, while the sum is 38.

The square root of 138327716 is about 11761.2803724765. The cubic root of 138327716 is about 517.1736649810.

The spelling of 138327716 in words is "one hundred thirty-eight million, three hundred twenty-seven thousand, seven hundred sixteen".