138000269 has 8 divisors (see below), whose sum is σ = 154615008. Its totient is φ = 122063760.

The previous prime is 138000227. The next prime is 138000293. The reversal of 138000269 is 962000831.

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 138000269 - 2⁸ = 138000013 is a prime.

It is a super-2 number, since 2×138000269² = 38088148488144722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138006269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169127 + ... + 169940.

It is an arithmetic number, because the mean of its divisors is an integer number (19326876).

Almost surely, 2^138000269 is an apocalyptic number.

It is an amenable number.

138000269 is a deficient number, since it is larger than the sum of its proper divisors (16614739).

138000269 is a wasteful number, since it uses less digits than its factorization.

138000269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339115.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 138000269 is about 11747.3515738655. The cubic root of 138000269 is about 516.7652610085.

The spelling of 138000269 in words is "one hundred thirty-eight million, two hundred sixty-nine", and thus it is an aban number.