138116793 has 8 divisors (see below), whose sum is σ = 185979456. Its totient is φ = 91166000.

The previous prime is 138116791. The next prime is 138116809. The reversal of 138116793 is 397611831.

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 138116793 - 2¹ = 138116791 is a prime.

It is not an unprimeable number, because it can be changed into a prime (138116791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227613 + ... + 228218.

It is an arithmetic number, because the mean of its divisors is an integer number (23247432).

Almost surely, 2^138116793 is an apocalyptic number.

It is an amenable number.

138116793 is a deficient number, since it is larger than the sum of its proper divisors (47862663).

138116793 is a wasteful number, since it uses less digits than its factorization.

138116793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455935.

The product of its digits is 27216, while the sum is 39.

The square root of 138116793 is about 11752.3101133352. The cubic root of 138116793 is about 516.9106680078.

The spelling of 138116793 in words is "one hundred thirty-eight million, one hundred sixteen thousand, seven hundred ninety-three".