8135156746 has 8 divisors (see below), whose sum is σ = 12212798724. Its totient is φ = 4064223840.

The previous prime is 8135156707. The next prime is 8135156749. The reversal of 8135156746 is 6476515318.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5075850025 + 3059306721 = 71245^2 + 55311^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 8135156696 and 8135156705.

It is not an unprimeable number, because it can be changed into a prime (8135156749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1674235 + ... + 1679086.

Almost surely, 2^8135156746 is an apocalyptic number.

8135156746 is a deficient number, since it is larger than the sum of its proper divisors (4077641978).

8135156746 is a wasteful number, since it uses less digits than its factorization.

8135156746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3354536.

The product of its digits is 604800, while the sum is 46.

The square root of 8135156746 is about 90195.1037806377. The cubic root of 8135156746 is about 2011.2002225893.

The spelling of 8135156746 in words is "eight billion, one hundred thirty-five million, one hundred fifty-six thousand, seven hundred forty-six".