138361754467 has 4 divisors (see below), whose sum is σ = 138429614160. Its totient is φ = 138293894776.

The previous prime is 138361754441. The next prime is 138361754501. The reversal of 138361754467 is 764457163831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 764457163831 = 677 ⋅1129183403.

It is a cyclic number.

It is not a de Polignac number, because 138361754467 - 2²⁷ = 138227536739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138361754567) 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, 33926788 + ... + 33930865.

It is an arithmetic number, because the mean of its divisors is an integer number (34607403540).

Almost surely, 2^138361754467 is an apocalyptic number.

138361754467 is a deficient number, since it is larger than the sum of its proper divisors (67859693).

138361754467 is an equidigital number, since it uses as much as digits as its factorization.

138361754467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67859692.

The product of its digits is 10160640, while the sum is 55.

The spelling of 138361754467 in words is "one hundred thirty-eight billion, three hundred sixty-one million, seven hundred fifty-four thousand, four hundred sixty-seven".