138567932 has 6 divisors (see below), whose sum is σ = 242493888. Its totient is φ = 69283964.

The previous prime is 138567929. The next prime is 138567937. The reversal of 138567932 is 239765831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138567937) 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 as a sum of consecutive naturals, namely, 17320988 + ... + 17320995.

It is an arithmetic number, because the mean of its divisors is an integer number (40415648).

Almost surely, 2^138567932 is an apocalyptic number.

It is an amenable number.

138567932 is a deficient number, since it is larger than the sum of its proper divisors (103925956).

138567932 is a wasteful number, since it uses less digits than its factorization.

138567932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34641987 (or 34641985 counting only the distinct ones).

The product of its digits is 272160, while the sum is 44.

The square root of 138567932 is about 11771.4880962434. The cubic root of 138567932 is about 517.4728615764.

The spelling of 138567932 in words is "one hundred thirty-eight million, five hundred sixty-seven thousand, nine hundred thirty-two".