138125713 has 8 divisors (see below), whose sum is σ = 150770016. Its totient is φ = 125496000.

The previous prime is 138125707. The next prime is 138125749. The reversal of 138125713 is 317521831.

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

It is a cyclic number.

It is not a de Polignac number, because 138125713 - 2⁹ = 138125201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138125213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28570 + ... + 33052.

It is an arithmetic number, because the mean of its divisors is an integer number (18846252).

Almost surely, 2^138125713 is an apocalyptic number.

It is an amenable number.

138125713 is a deficient number, since it is larger than the sum of its proper divisors (12644303).

138125713 is a wasteful number, since it uses less digits than its factorization.

138125713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7295.

The product of its digits is 5040, while the sum is 31.

The square root of 138125713 is about 11752.6896070644. The cubic root of 138125713 is about 516.9217956528.

The spelling of 138125713 in words is "one hundred thirty-eight million, one hundred twenty-five thousand, seven hundred thirteen".