138414617 has 8 divisors (see below), whose sum is σ = 151203360. Its totient is φ = 125660160.

The previous prime is 138414613. The next prime is 138414623. The reversal of 138414617 is 716414831.

It is a happy number.

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 138414617 - 2² = 138414613 is a prime.

It is a super-4 number, since 4×138414617⁴ (a number of 34 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (138414613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278 + ... + 16640.

It is an arithmetic number, because the mean of its divisors is an integer number (18900420).

Almost surely, 2^138414617 is an apocalyptic number.

It is an amenable number.

138414617 is a deficient number, since it is larger than the sum of its proper divisors (12788743).

138414617 is a wasteful number, since it uses less digits than its factorization.

138414617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17143.

The product of its digits is 16128, while the sum is 35.

The square root of 138414617 is about 11764.9741606176. The cubic root of 138414617 is about 517.2819428731.

The spelling of 138414617 in words is "one hundred thirty-eight million, four hundred fourteen thousand, six hundred seventeen".