8140207412 has 6 divisors (see below), whose sum is σ = 14245362978. Its totient is φ = 4070103704.

The previous prime is 8140207399. The next prime is 8140207421. The reversal of 8140207412 is 2147020418.

It can be written as a sum of positive squares in only one way, i.e., 6683716516 + 1456490896 = 81754^2 + 38164^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1017525923 + ... + 1017525930.

It is an arithmetic number, because the mean of its divisors is an integer number (2374227163).

Almost surely, 2^8140207412 is an apocalyptic number.

It is an amenable number.

8140207412 is a deficient number, since it is larger than the sum of its proper divisors (6105155566).

8140207412 is a wasteful number, since it uses less digits than its factorization.

8140207412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2035051857 (or 2035051855 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 8140207412 is about 90223.0979960232. The cubic root of 8140207412 is about 2011.6163505742.

The spelling of 8140207412 in words is "eight billion, one hundred forty million, two hundred seven thousand, four hundred twelve".