138731714 has 8 divisors (see below), whose sum is σ = 227015568. Its totient is φ = 63059860.

The previous prime is 138731701. The next prime is 138731729. The reversal of 138731714 is 417137831.

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

It is a Curzon 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, 3152972 + ... + 3153015.

It is an arithmetic number, because the mean of its divisors is an integer number (28376946).

Almost surely, 2^138731714 is an apocalyptic number.

138731714 is a deficient number, since it is larger than the sum of its proper divisors (88283854).

138731714 is a wasteful number, since it uses less digits than its factorization.

138731714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6306000.

The product of its digits is 14112, while the sum is 35.

The square root of 138731714 is about 11778.4427663422. The cubic root of 138731714 is about 517.6766590193.

The spelling of 138731714 in words is "one hundred thirty-eight million, seven hundred thirty-one thousand, seven hundred fourteen".