8139417452 has 12 divisors (see below), whose sum is σ = 14485404360. Its totient is φ = 4000730496.

The previous prime is 8139417431. The next prime is 8139417469. The reversal of 8139417452 is 2547149318.

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, 17244293 + ... + 17244764.

It is an arithmetic number, because the mean of its divisors is an integer number (1207117030).

Almost surely, 2^8139417452 is an apocalyptic number.

It is an amenable number.

8139417452 is a deficient number, since it is larger than the sum of its proper divisors (6345986908).

8139417452 is a wasteful number, since it uses less digits than its factorization.

8139417452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34489120 (or 34489118 counting only the distinct ones).

The product of its digits is 241920, while the sum is 44.

The square root of 8139417452 is about 90218.7200751596. The cubic root of 8139417452 is about 2011.5512765624.

The spelling of 8139417452 in words is "eight billion, one hundred thirty-nine million, four hundred seventeen thousand, four hundred fifty-two".