138346966 has 8 divisors (see below), whose sum is σ = 208435320. Its totient is φ = 68868528.

The previous prime is 138346951. The next prime is 138347057. The reversal of 138346966 is 669643831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151911 + ... + 152818.

It is an arithmetic number, because the mean of its divisors is an integer number (26054415).

Almost surely, 2^138346966 is an apocalyptic number.

138346966 is a deficient number, since it is larger than the sum of its proper divisors (70088354).

138346966 is a wasteful number, since it uses less digits than its factorization.

138346966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304958.

The product of its digits is 559872, while the sum is 46.

The square root of 138346966 is about 11762.0987072886. The cubic root of 138346966 is about 517.1976542233.

The spelling of 138346966 in words is "one hundred thirty-eight million, three hundred forty-six thousand, nine hundred sixty-six".