8162540135 has 4 divisors (see below), whose sum is σ = 9795048168. Its totient is φ = 6530032104.

The previous prime is 8162540117. The next prime is 8162540161. The reversal of 8162540135 is 5310452618.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8162540135 is a prime.

It is a super-2 number, since 2×8162540135² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8162540095 and 8162540104.

It is a congruent number.

It is an unprimeable number.

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, 816254009 + ... + 816254018.

It is an arithmetic number, because the mean of its divisors is an integer number (2448762042).

Almost surely, 2^8162540135 is an apocalyptic number.

8162540135 is a deficient number, since it is larger than the sum of its proper divisors (1632508033).

8162540135 is a wasteful number, since it uses less digits than its factorization.

8162540135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1632508032.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 8162540135 is about 90346.7771146265. Note that the first 3 decimals coincide. The cubic root of 8162540135 is about 2013.4542992103.

The spelling of 8162540135 in words is "eight billion, one hundred sixty-two million, five hundred forty thousand, one hundred thirty-five".