138716132 has 12 divisors (see below), whose sum is σ = 243332796. Its totient is φ = 69192480.

The previous prime is 138716119. The next prime is 138716143. The reversal of 138716132 is 231617831.

It can be written as a sum of positive squares in 2 ways, for example, as 73170916 + 65545216 = 8554^2 + 8096^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 39503 + ... + 42870.

It is an arithmetic number, because the mean of its divisors is an integer number (20277733).

Almost surely, 2^138716132 is an apocalyptic number.

It is an amenable number.

138716132 is a deficient number, since it is larger than the sum of its proper divisors (104616664).

138716132 is a wasteful number, since it uses less digits than its factorization.

138716132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82798 (or 82796 counting only the distinct ones).

The product of its digits is 6048, while the sum is 32.

The square root of 138716132 is about 11777.7812851148. The cubic root of 138716132 is about 517.6572769100.

The spelling of 138716132 in words is "one hundred thirty-eight million, seven hundred sixteen thousand, one hundred thirty-two".