138459675 has 12 divisors (see below), whose sum is σ = 228920120. Its totient is φ = 73845120.

The previous prime is 138459667. The next prime is 138459683. The reversal of 138459675 is 576954831.

It is an interprime number because it is at equal distance from previous prime (138459667) and next prime (138459683).

It is not a de Polignac number, because 138459675 - 2³ = 138459667 is a prime.

It is a super-2 number, since 2×138459675² = 38342163202211250, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 922990 + ... + 923139.

Almost surely, 2^138459675 is an apocalyptic number.

138459675 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

138459675 is a deficient number, since it is larger than the sum of its proper divisors (90460445).

138459675 is a wasteful number, since it uses less digits than its factorization.

138459675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1846142 (or 1846137 counting only the distinct ones).

The product of its digits is 907200, while the sum is 48.

The square root of 138459675 is about 11766.8889261351. Note that the first 3 decimals coincide. The cubic root of 138459675 is about 517.3380669098.

The spelling of 138459675 in words is "one hundred thirty-eight million, four hundred fifty-nine thousand, six hundred seventy-five".