138427330165 has 8 divisors (see below), whose sum is σ = 168928267680. Its totient is φ = 108864883152.

The previous prime is 138427330117. The next prime is 138427330189. The reversal of 138427330165 is 561033724831.

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 138427330165 - 2⁷ = 138427330037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234622299 + ... + 234622888.

It is an arithmetic number, because the mean of its divisors is an integer number (21116033460).

Almost surely, 2^138427330165 is an apocalyptic number.

It is an amenable number.

138427330165 is a deficient number, since it is larger than the sum of its proper divisors (30500937515).

138427330165 is an equidigital number, since it uses as much as digits as its factorization.

138427330165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469245251.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 138427330165 in words is "one hundred thirty-eight billion, four hundred twenty-seven million, three hundred thirty thousand, one hundred sixty-five".