138758707076857 has 8 divisors (see below), whose sum is σ = 158774066496896. Its totient is φ = 118791519401952.

The previous prime is 138758707076851. The next prime is 138758707076867. The reversal of 138758707076857 is 758670707857831.

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 138758707076857 - 2¹¹ = 138758707074809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138758707076851) 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, 12042930108 + ... + 12042941629.

It is an arithmetic number, because the mean of its divisors is an integer number (19846758312112).

Almost surely, 2^{138758707076857} is an apocalyptic number.

It is an amenable number.

138758707076857 is a deficient number, since it is larger than the sum of its proper divisors (20015359420039).

138758707076857 is an equidigital number, since it uses as much as digits as its factorization.

138758707076857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24085872567.

The product of its (nonzero) digits is 3872332800, while the sum is 79.

The spelling of 138758707076857 in words is "one hundred thirty-eight trillion, seven hundred fifty-eight billion, seven hundred seven million, seventy-six thousand, eight hundred fifty-seven".