8514139379 has 16 divisors (see below), whose sum is σ = 8978895360. Its totient is φ = 8057702400.

The previous prime is 8514139357. The next prime is 8514139391. The reversal of 8514139379 is 9739314158.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8514139379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8514139349) 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, 887792 + ... + 897330.

It is an arithmetic number, because the mean of its divisors is an integer number (561180960).

Almost surely, 2^8514139379 is an apocalyptic number.

8514139379 is a deficient number, since it is larger than the sum of its proper divisors (464755981).

8514139379 is a wasteful number, since it uses less digits than its factorization.

8514139379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9970.

The product of its digits is 816480, while the sum is 50.

The square root of 8514139379 is about 92272.0942593155. The cubic root of 8514139379 is about 2041.9585332620.

The spelling of 8514139379 in words is "eight billion, five hundred fourteen million, one hundred thirty-nine thousand, three hundred seventy-nine".