8130181458 has 128 divisors (see below), whose sum is σ = 19987070976. Its totient is φ = 2155507200.

The previous prime is 8130181457. The next prime is 8130181459. The reversal of 8130181458 is 8541810318.

It is an interprime number because it is at equal distance from previous prime (8130181457) and next prime (8130181459).

It is not an unprimeable number, because it can be changed into a prime (8130181457) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3419166 + ... + 3421542.

It is an arithmetic number, because the mean of its divisors is an integer number (156148992).

Almost surely, 2^8130181458 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8130181458, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9993535488).

8130181458 is an abundant number, since it is smaller than the sum of its proper divisors (11856889518).

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

8130181458 is a wasteful number, since it uses less digits than its factorization.

8130181458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2528.

The product of its (nonzero) digits is 30720, while the sum is 39.

The square root of 8130181458 is about 90167.5188635021. The cubic root of 8130181458 is about 2010.7901366205.

The spelling of 8130181458 in words is "eight billion, one hundred thirty million, one hundred eighty-one thousand, four hundred fifty-eight".