138244675 has 6 divisors (see below), whose sum is σ = 171423428. Its totient is φ = 110595720.

The previous prime is 138244657. The next prime is 138244681. The reversal of 138244675 is 576442831.

It is not a de Polignac number, because 138244675 - 2¹⁵ = 138211907 is a prime.

It is a super-2 number, since 2×138244675² = 38223180331711250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 2764869 + ... + 2764918.

Almost surely, 2^138244675 is an apocalyptic number.

138244675 is a deficient number, since it is larger than the sum of its proper divisors (33178753).

138244675 is an equidigital number, since it uses as much as digits as its factorization.

138244675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5529797 (or 5529792 counting only the distinct ones).

The product of its digits is 161280, while the sum is 40.

The square root of 138244675 is about 11757.7495720907. The cubic root of 138244675 is about 517.0701542353.

The spelling of 138244675 in words is "one hundred thirty-eight million, two hundred forty-four thousand, six hundred seventy-five".