138414966 has 24 divisors (see below), whose sum is σ = 289395960. Its totient is φ = 44131296.

The previous prime is 138414937. The next prime is 138414967. The reversal of 138414966 is 669414831.

138414966 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138414967) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18631 + ... + 24978.

It is an arithmetic number, because the mean of its divisors is an integer number (12058165).

Almost surely, 2^138414966 is an apocalyptic number.

138414966 is an abundant number, since it is smaller than the sum of its proper divisors (150980994).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138414966 is a wasteful number, since it uses less digits than its factorization.

138414966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43660 (or 43637 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 138414966 is about 11764.9889927700. The cubic root of 138414966 is about 517.2823776327.

The spelling of 138414966 in words is "one hundred thirty-eight million, four hundred fourteen thousand, nine hundred sixty-six".