138673807286041 has 4 divisors (see below), whose sum is σ = 138738577866084. Its totient is φ = 138609036706000.

The previous prime is 138673807286023. The next prime is 138673807286059. The reversal of 138673807286041 is 140682708376831.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (138673807286023) and next prime (138673807286059).

It can be written as a sum of positive squares in 2 ways, for example, as 116972790636816 + 21701016649225 = 10815396^2 + 4658435^2 .

It is a cyclic number.

It is not a de Polignac number, because 138673807286041 - 2⁷ = 138673807285913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138673807206041) 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, 32385286810 + ... + 32385291091.

It is an arithmetic number, because the mean of its divisors is an integer number (34684644466521).

Almost surely, 2^{138673807286041} is an apocalyptic number.

It is an amenable number.

138673807286041 is a deficient number, since it is larger than the sum of its proper divisors (64770580043).

138673807286041 is an equidigital number, since it uses as much as digits as its factorization.

138673807286041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64770580042.

The product of its (nonzero) digits is 65028096, while the sum is 64.

The spelling of 138673807286041 in words is "one hundred thirty-eight trillion, six hundred seventy-three billion, eight hundred seven million, two hundred eighty-six thousand, forty-one".