8139514507 has 8 divisors (see below), whose sum is σ = 8764383600. Its totient is φ = 7530875904.

The previous prime is 8139514501. The next prime is 8139514543. The reversal of 8139514507 is 7054159318.

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

It is a cyclic number.

It is not a de Polignac number, because 8139514507 - 2³ = 8139514499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8139514501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4056582 + ... + 4058587.

It is an arithmetic number, because the mean of its divisors is an integer number (1095547950).

Almost surely, 2^8139514507 is an apocalyptic number.

8139514507 is a deficient number, since it is larger than the sum of its proper divisors (624869093).

8139514507 is a wasteful number, since it uses less digits than its factorization.

8139514507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8115245.

The product of its (nonzero) digits is 151200, while the sum is 43.

The square root of 8139514507 is about 90219.2579608146. The cubic root of 8139514507 is about 2011.5592718247.

The spelling of 8139514507 in words is "eight billion, one hundred thirty-nine million, five hundred fourteen thousand, five hundred seven".