138330669 has 8 divisors (see below), whose sum is σ = 184682592. Its totient is φ = 92099600.

The previous prime is 138330641. The next prime is 138330677. The reversal of 138330669 is 966033831.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-138330669 is a prime.

It is a super-2 number, since 2×138330669² = 38270747971975122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138330169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27507 + ... + 32144.

It is an arithmetic number, because the mean of its divisors is an integer number (23085324).

Almost surely, 2^138330669 is an apocalyptic number.

It is an amenable number.

138330669 is a deficient number, since it is larger than the sum of its proper divisors (46351923).

138330669 is an equidigital number, since it uses as much as digits as its factorization.

138330669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60427.

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 138330669 is about 11761.4059108595. The cubic root of 138330669 is about 517.1773451376.

The spelling of 138330669 in words is "one hundred thirty-eight million, three hundred thirty thousand, six hundred sixty-nine".