138868804760401 has 4 divisors (see below), whose sum is σ = 138915109800000. Its totient is φ = 138822499720804.

The previous prime is 138868804760359. The next prime is 138868804760443. The reversal of 138868804760401 is 104067408868831.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (138868804760359) and next prime (138868804760443).

It is a cyclic number.

It is not a de Polignac number, because 138868804760401 - 2¹¹ = 138868804758353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138868804763401) 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, 23152515301 + ... + 23152521298.

It is an arithmetic number, because the mean of its divisors is an integer number (34728777450000).

Almost surely, 2^{138868804760401} is an apocalyptic number.

It is an amenable number.

138868804760401 is a deficient number, since it is larger than the sum of its proper divisors (46305039599).

138868804760401 is an equidigital number, since it uses as much as digits as its factorization.

138868804760401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46305039598.

The product of its (nonzero) digits is 49545216, while the sum is 64.

The spelling of 138868804760401 in words is "one hundred thirty-eight trillion, eight hundred sixty-eight billion, eight hundred four million, seven hundred sixty thousand, four hundred one".