138697859670617 has 8 divisors (see below), whose sum is σ = 149383893652224. Its totient is φ = 128014249668048.

The previous prime is 138697859670613. The next prime is 138697859670619. The reversal of 138697859670617 is 716076958796831.

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 138697859670617 - 2² = 138697859670613 is a prime.

It is a super-3 number, since 3×138697859670617³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138697859670613) 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, 605875913 + ... + 606104790.

It is an arithmetic number, because the mean of its divisors is an integer number (18672986706528).

Almost surely, 2^{138697859670617} is an apocalyptic number.

It is an amenable number.

138697859670617 is a deficient number, since it is larger than the sum of its proper divisors (10686033981607).

138697859670617 is a wasteful number, since it uses less digits than its factorization.

138697859670617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211989519.

The product of its (nonzero) digits is 5761082880, while the sum is 83.

The spelling of 138697859670617 in words is "one hundred thirty-eight trillion, six hundred ninety-seven billion, eight hundred fifty-nine million, six hundred seventy thousand, six hundred seventeen".