138324932 has 6 divisors (see below), whose sum is σ = 242068638. Its totient is φ = 69162464.

The previous prime is 138324913. The next prime is 138324943. The reversal of 138324932 is 239423831.

138324932 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 only one way, i.e., 132342016 + 5982916 = 11504^2 + 2446^2 .

It is a junction number, because it is equal to n+sod(n) for n = 138324892 and 138324901.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17290613 + ... + 17290620.

It is an arithmetic number, because the mean of its divisors is an integer number (40344773).

Almost surely, 2^138324932 is an apocalyptic number.

It is an amenable number.

138324932 is a deficient number, since it is larger than the sum of its proper divisors (103743706).

138324932 is a wasteful number, since it uses less digits than its factorization.

138324932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34581237 (or 34581235 counting only the distinct ones).

The product of its digits is 31104, while the sum is 35.

The square root of 138324932 is about 11761.1620174199. The cubic root of 138324932 is about 517.1701953916.

The spelling of 138324932 in words is "one hundred thirty-eight million, three hundred twenty-four thousand, nine hundred thirty-two".