7135680105 has 12 divisors (see below), whose sum is σ = 12368512260. Its totient is φ = 3805696032.

The previous prime is 7135680091. The next prime is 7135680121. The reversal of 7135680105 is 5010865317.

It can be written as a sum of positive squares in 2 ways, for example, as 2420935209 + 4714744896 = 49203^2 + 68664^2 .

It is not a de Polignac number, because 7135680105 - 2⁴ = 7135680089 is a prime.

It is a super-2 number, since 2×7135680105² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7135680105.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 79285290 + ... + 79285379.

It is an arithmetic number, because the mean of its divisors is an integer number (1030709355).

Almost surely, 2^7135680105 is an apocalyptic number.

It is an amenable number.

7135680105 is a deficient number, since it is larger than the sum of its proper divisors (5232832155).

7135680105 is a wasteful number, since it uses less digits than its factorization.

7135680105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158570680 (or 158570677 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 7135680105 is about 84472.9548731427. The cubic root of 7135680105 is about 1925.2115452005.

The spelling of 7135680105 in words is "seven billion, one hundred thirty-five million, six hundred eighty thousand, one hundred five".