8140963931 has 8 divisors (see below), whose sum is σ = 8194069104. Its totient is φ = 8088030720.

The previous prime is 8140963891. The next prime is 8140963967. The reversal of 8140963931 is 1393690418.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8140963931 is a prime.

It is a super-2 number, since 2×8140963931² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8140963331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52691 + ... + 138051.

It is an arithmetic number, because the mean of its divisors is an integer number (1024258638).

Almost surely, 2^8140963931 is an apocalyptic number.

8140963931 is a deficient number, since it is larger than the sum of its proper divisors (53105173).

8140963931 is a wasteful number, since it uses less digits than its factorization.

8140963931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85981.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 8140963931 is about 90227.2903893273. The cubic root of 8140963931 is about 2011.6786658925.

The spelling of 8140963931 in words is "eight billion, one hundred forty million, nine hundred sixty-three thousand, nine hundred thirty-one".