138349765707 has 8 divisors (see below), whose sum is σ = 184864771584. Its totient is φ = 92033968488.

The previous prime is 138349765699. The next prime is 138349765769. The reversal of 138349765707 is 707567943831.

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

It is not a de Polignac number, because 138349765707 - 2³ = 138349765699 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (138349765507) 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, 49800543 + ... + 49803320.

It is an arithmetic number, because the mean of its divisors is an integer number (23108096448).

Almost surely, 2^138349765707 is an apocalyptic number.

138349765707 is a deficient number, since it is larger than the sum of its proper divisors (46515005877).

138349765707 is an equidigital number, since it uses as much as digits as its factorization.

138349765707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99604329.

The product of its (nonzero) digits is 26671680, while the sum is 60.

The spelling of 138349765707 in words is "one hundred thirty-eight billion, three hundred forty-nine million, seven hundred sixty-five thousand, seven hundred seven".