138716230 has 8 divisors (see below), whose sum is σ = 249689232. Its totient is φ = 55486488.

The previous prime is 138716203. The next prime is 138716231. The reversal of 138716230 is 32617831.

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

It is a junction number, because it is equal to n+sod(n) for n = 138716192 and 138716201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138716231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6935802 + ... + 6935821.

It is an arithmetic number, because the mean of its divisors is an integer number (31211154).

Almost surely, 2^138716230 is an apocalyptic number.

138716230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138716230 is a deficient number, since it is larger than the sum of its proper divisors (110973002).

138716230 is a wasteful number, since it uses less digits than its factorization.

138716230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13871630.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 138716230 is about 11777.7854454902. The cubic root of 138716230 is about 517.6573988146.

The spelling of 138716230 in words is "one hundred thirty-eight million, seven hundred sixteen thousand, two hundred thirty".