138462853816576 has 27 divisors (see below), whose sum is σ = 276385212920271. Its totient is φ = 69231332772096.

The previous prime is 138462853816519. The next prime is 138462853816577. The reversal of 138462853816576 is 675618358264831.

The square root of 138462853816576 is 11767024.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 138462853816499 and 138462853816508.

It is not an unprimeable number, because it can be changed into a prime (138462853816577) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 187904665 + ... + 188640103.

Almost surely, 2^{138462853816576} is an apocalyptic number.

138462853816576 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

138462853816576 is the 11767024-th square number.

It is an amenable number.

138462853816576 is a deficient number, since it is larger than the sum of its proper divisors (137922359103695).

138462853816576 is an frugal number, since it uses more digits than its factorization.

138462853816576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470894 (or 735441 counting only the distinct ones).

The product of its digits is 1393459200, while the sum is 73.

The spelling of 138462853816576 in words is "one hundred thirty-eight trillion, four hundred sixty-two billion, eight hundred fifty-three million, eight hundred sixteen thousand, five hundred seventy-six".