138941132 has 24 divisors (see below), whose sum is σ = 273810432. Its totient is φ = 61117200.

The previous prime is 138941123. The next prime is 138941141. The reversal of 138941132 is 231149831.

138941132 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (138941123) and next prime (138941141).

It is a super-2 number, since 2×138941132² = 38609276322882848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49568 + ... + 52295.

It is an arithmetic number, because the mean of its divisors is an integer number (11408768).

Almost surely, 2^138941132 is an apocalyptic number.

It is an amenable number.

138941132 is a deficient number, since it is larger than the sum of its proper divisors (134869300).

138941132 is a wasteful number, since it uses less digits than its factorization.

138941132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101909 (or 101907 counting only the distinct ones).

The product of its digits is 5184, while the sum is 32.

The square root of 138941132 is about 11787.3292988700. The cubic root of 138941132 is about 517.9370087831.

The spelling of 138941132 in words is "one hundred thirty-eight million, nine hundred forty-one thousand, one hundred thirty-two".