8157135643318 has 16 divisors (see below), whose sum is σ = 12264492429504. Its totient is φ = 4068972118080.

The previous prime is 8157135643309. The next prime is 8157135643369. The reversal of 8157135643318 is 8133465317518.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29633896 + ... + 29907892.

It is an arithmetic number, because the mean of its divisors is an integer number (766530776844).

Almost surely, 2^{8157135643318} is an apocalyptic number.

8157135643318 is a deficient number, since it is larger than the sum of its proper divisors (4107356786186).

8157135643318 is a wasteful number, since it uses less digits than its factorization.

8157135643318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308967.

The product of its digits is 7257600, while the sum is 55.

The spelling of 8157135643318 in words is "eight trillion, one hundred fifty-seven billion, one hundred thirty-five million, six hundred forty-three thousand, three hundred eighteen".