8138466530 has 8 divisors (see below), whose sum is σ = 14649239772. Its totient is φ = 3255386608.

The previous prime is 8138466529. The next prime is 8138466563. The reversal of 8138466530 is 356648318.

It can be written as a sum of positive squares in 2 ways, for example, as 6597825529 + 1540641001 = 81227^2 + 39251^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406923317 + ... + 406923336.

Almost surely, 2^8138466530 is an apocalyptic number.

8138466530 is a deficient number, since it is larger than the sum of its proper divisors (6510773242).

8138466530 is a wasteful number, since it uses less digits than its factorization.

8138466530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813846660.

The product of its (nonzero) digits is 414720, while the sum is 44.

The square root of 8138466530 is about 90213.4498287256. The cubic root of 8138466530 is about 2011.4729375056.

The spelling of 8138466530 in words is "eight billion, one hundred thirty-eight million, four hundred sixty-six thousand, five hundred thirty".