106731636839 has 4 divisors (see below), whose sum is σ = 106732292856. Its totient is φ = 106730980824.

The previous prime is 106731636829. The next prime is 106731636863. The reversal of 106731636839 is 938636137601.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 938636137601 = 19 ⋅49401901979.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106731636839 is a prime.

It is a super-2 number, since 2×106731636839² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106731636829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120077 + ... + 477369.

It is an arithmetic number, because the mean of its divisors is an integer number (26683073214).

Almost surely, 2^106731636839 is an apocalyptic number.

106731636839 is a deficient number, since it is larger than the sum of its proper divisors (656017).

106731636839 is an equidigital number, since it uses as much as digits as its factorization.

106731636839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656016.

The product of its (nonzero) digits is 2939328, while the sum is 53.

The spelling of 106731636839 in words is "one hundred six billion, seven hundred thirty-one million, six hundred thirty-six thousand, eight hundred thirty-nine".