138401267201 has 8 divisors (see below), whose sum is σ = 140907501504. Its totient is φ = 135915003280.

The previous prime is 138401267171. The next prime is 138401267231. The reversal of 138401267201 is 102762104831.

It is an interprime number because it is at equal distance from previous prime (138401267171) and next prime (138401267231).

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

It is a de Polignac number, because none of the positive numbers 2^k-138401267201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138401267231) 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, 4978610 + ... + 5006331.

It is an arithmetic number, because the mean of its divisors is an integer number (17613437688).

Almost surely, 2^138401267201 is an apocalyptic number.

It is an amenable number.

138401267201 is a deficient number, since it is larger than the sum of its proper divisors (2506234303).

138401267201 is an equidigital number, since it uses as much as digits as its factorization.

138401267201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9985191.

The product of its (nonzero) digits is 16128, while the sum is 35.

The spelling of 138401267201 in words is "one hundred thirty-eight billion, four hundred one million, two hundred sixty-seven thousand, two hundred one".