138986116 has 12 divisors (see below), whose sum is σ = 244500480. Its totient is φ = 69128840.

The previous prime is 138986093. The next prime is 138986117. The reversal of 138986116 is 611689831.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (138986117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90196 + ... + 91723.

It is an arithmetic number, because the mean of its divisors is an integer number (20375040).

Almost surely, 2^138986116 is an apocalyptic number.

It is an amenable number.

138986116 is a deficient number, since it is larger than the sum of its proper divisors (105514364).

138986116 is a wasteful number, since it uses less digits than its factorization.

138986116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182114 (or 182112 counting only the distinct ones).

The product of its digits is 62208, while the sum is 43.

The square root of 138986116 is about 11789.2372950925. The cubic root of 138986116 is about 517.9928990346.

The spelling of 138986116 in words is "one hundred thirty-eight million, nine hundred eighty-six thousand, one hundred sixteen".