8130513786 has 16 divisors (see below), whose sum is σ = 16266295200. Its totient is φ = 2709293328.

The previous prime is 8130513767. The next prime is 8130513791. The reversal of 8130513786 is 6873150318.

It is a super-2 number, since 2×8130513786² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199276 + ... + 236583.

It is an arithmetic number, because the mean of its divisors is an integer number (1016643450).

Almost surely, 2^8130513786 is an apocalyptic number.

8130513786 is an abundant number, since it is smaller than the sum of its proper divisors (8135781414).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8130513786 is a wasteful number, since it uses less digits than its factorization.

8130513786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438973.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 8130513786 is about 90169.3616812274. The cubic root of 8130513786 is about 2010.8175338262.

The spelling of 8130513786 in words is "eight billion, one hundred thirty million, five hundred thirteen thousand, seven hundred eighty-six".