138784167233227 has 4 divisors (see below), whose sum is σ = 146947941776376. Its totient is φ = 130620392690080.

The previous prime is 138784167233221. The next prime is 138784167233263. The reversal of 138784167233227 is 722332761487831.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 138784167233227 - 2³¹ = 138782019749579 is a prime.

It is a super-2 number, since 2×138784167233227² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138784167233221) 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, 4081887271549 + ... + 4081887271582.

It is an arithmetic number, because the mean of its divisors is an integer number (36736985444094).

Almost surely, 2^{138784167233227} is an apocalyptic number.

138784167233227 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

138784167233227 is a deficient number, since it is larger than the sum of its proper divisors (8163774543149).

138784167233227 is an equidigital number, since it uses as much as digits as its factorization.

138784167233227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8163774543148.

The product of its digits is 113799168, while the sum is 64.

The spelling of 138784167233227 in words is "one hundred thirty-eight trillion, seven hundred eighty-four billion, one hundred sixty-seven million, two hundred thirty-three thousand, two hundred twenty-seven".