138366514 has 32 divisors (see below), whose sum is σ = 245379456. Its totient is φ = 57688320.

The previous prime is 138366497. The next prime is 138366521. The reversal of 138366514 is 415663831.

138366514 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46314 + ... + 49210.

It is an arithmetic number, because the mean of its divisors is an integer number (7668108).

Almost surely, 2^138366514 is an apocalyptic number.

138366514 is a deficient number, since it is larger than the sum of its proper divisors (107012942).

138366514 is a wasteful number, since it uses less digits than its factorization.

138366514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3090.

The product of its digits is 51840, while the sum is 37.

The square root of 138366514 is about 11762.9296520892. The cubic root of 138366514 is about 517.2220125544. Note that the first 3 decimals are identical.

The spelling of 138366514 in words is "one hundred thirty-eight million, three hundred sixty-six thousand, five hundred fourteen".