109712757136 has 20 divisors (see below), whose sum is σ = 213059400652. Its totient is φ = 54729686016.

The previous prime is 109712757073. The next prime is 109712757139. The reversal of 109712757136 is 631757217901.

It can be written as a sum of positive squares in 2 ways, for example, as 8497152400 + 101215604736 = 92180^2 + 318144^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 109712757136.

It is not an unprimeable number, because it can be changed into a prime (109712757139) 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 3 ways as a sum of consecutive naturals, for example, 7911141 + ... + 7924996.

Almost surely, 2^109712757136 is an apocalyptic number.

109712757136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

109712757136 is a deficient number, since it is larger than the sum of its proper divisors (103346643516).

109712757136 is a wasteful number, since it uses less digits than its factorization.

109712757136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15836578 (or 15836572 counting only the distinct ones).

The product of its (nonzero) digits is 555660, while the sum is 49.

The spelling of 109712757136 in words is "one hundred nine billion, seven hundred twelve million, seven hundred fifty-seven thousand, one hundred thirty-six".