8514139730671 has 16 divisors (see below), whose sum is σ = 9053619982848. Its totient is φ = 7978973040000.

The previous prime is 8514139730611. The next prime is 8514139730683. The reversal of 8514139730671 is 1760379314158.

It is a cyclic number.

It is not a de Polignac number, because 8514139730671 - 2¹⁷ = 8514139599599 is a prime.

It is a super-2 number, since 2×8514139730671² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8514139730611) 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, 13913866 + ... + 14512888.

It is an arithmetic number, because the mean of its divisors is an integer number (565851248928).

Almost surely, 2^{8514139730671} is an apocalyptic number.

8514139730671 is a deficient number, since it is larger than the sum of its proper divisors (539480252177).

8514139730671 is a wasteful number, since it uses less digits than its factorization.

8514139730671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602622.

The product of its (nonzero) digits is 3810240, while the sum is 55.

The spelling of 8514139730671 in words is "eight trillion, five hundred fourteen billion, one hundred thirty-nine million, seven hundred thirty thousand, six hundred seventy-one".