7981134130 has 32 divisors (see below), whose sum is σ = 14523582528. Its totient is φ = 3157512000.

The previous prime is 7981134127. The next prime is 7981134149. The reversal of 7981134130 is 314311897.

It is a self number, because there is not a number n which added to its sum of digits gives 7981134130.

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 15 ways as a sum of consecutive naturals, for example, 1098289 + ... + 1105531.

It is an arithmetic number, because the mean of its divisors is an integer number (453861954).

Almost surely, 2^7981134130 is an apocalyptic number.

7981134130 is a deficient number, since it is larger than the sum of its proper divisors (6542448398).

7981134130 is a wasteful number, since it uses less digits than its factorization.

7981134130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8442.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 7981134130 is about 89337.1934302841. The cubic root of 7981134130 is about 1998.4266067080.

The spelling of 7981134130 in words is "seven billion, nine hundred eighty-one million, one hundred thirty-four thousand, one hundred thirty".