138869548007 has 8 divisors (see below), whose sum is σ = 141001683696. Its totient is φ = 136739161152.

The previous prime is 138869547991. The next prime is 138869548021. The reversal of 138869548007 is 700845968831.

It is a happy number.

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 138869548007 - 2⁴ = 138869547991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138869548907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276728 + ... + 595245.

It is an arithmetic number, because the mean of its divisors is an integer number (17625210462).

Almost surely, 2^138869548007 is an apocalyptic number.

138869548007 is a deficient number, since it is larger than the sum of its proper divisors (2132135689).

138869548007 is an equidigital number, since it uses as much as digits as its factorization.

138869548007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874417.

The product of its (nonzero) digits is 11612160, while the sum is 59.

The spelling of 138869548007 in words is "one hundred thirty-eight billion, eight hundred sixty-nine million, five hundred forty-eight thousand, seven".