138946214 has 8 divisors (see below), whose sum is σ = 227366568. Its totient is φ = 63157360.

The previous prime is 138946169. The next prime is 138946237. The reversal of 138946214 is 412649831.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3157847 + ... + 3157890.

It is an arithmetic number, because the mean of its divisors is an integer number (28420821).

Almost surely, 2^138946214 is an apocalyptic number.

138946214 is a deficient number, since it is larger than the sum of its proper divisors (88420354).

138946214 is a wasteful number, since it uses less digits than its factorization.

138946214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6315750.

The product of its digits is 41472, while the sum is 38.

The square root of 138946214 is about 11787.5448673589. The cubic root of 138946214 is about 517.9433235049.

The spelling of 138946214 in words is "one hundred thirty-eight million, nine hundred forty-six thousand, two hundred fourteen".