8131486352 has 80 divisors (see below), whose sum is σ = 17471471040. Its totient is φ = 3635251200.

The previous prime is 8131486351. The next prime is 8131486369. The reversal of 8131486352 is 2536841318.

It is a super-2 number, since 2×8131486352² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8131486351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6307724 + ... + 6309012.

It is an arithmetic number, because the mean of its divisors is an integer number (218393388).

Almost surely, 2^8131486352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8131486352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8735735520).

8131486352 is an abundant number, since it is smaller than the sum of its proper divisors (9339984688).

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

8131486352 is a wasteful number, since it uses less digits than its factorization.

8131486352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1872 (or 1866 counting only the distinct ones).

The product of its digits is 138240, while the sum is 41.

The square root of 8131486352 is about 90174.7545158843. The cubic root of 8131486352 is about 2010.8977081278.

The spelling of 8131486352 in words is "eight billion, one hundred thirty-one million, four hundred eighty-six thousand, three hundred fifty-two".