8137140781443 has 16 divisors (see below), whose sum is σ = 11006007151776. Its totient is φ = 5347047928320.

The previous prime is 8137140781391. The next prime is 8137140781447. The reversal of 8137140781443 is 3441870417318.

It is not a de Polignac number, because 8137140781443 - 2²⁰ = 8137139732867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8137140781447) 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, 66246280 + ... + 66368997.

It is an arithmetic number, because the mean of its divisors is an integer number (687875446986).

Almost surely, 2^{8137140781443} is an apocalyptic number.

8137140781443 is a deficient number, since it is larger than the sum of its proper divisors (2868866370333).

8137140781443 is a wasteful number, since it uses less digits than its factorization.

8137140781443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132615574.

The product of its (nonzero) digits is 1806336, while the sum is 51.

The spelling of 8137140781443 in words is "eight trillion, one hundred thirty-seven billion, one hundred forty million, seven hundred eighty-one thousand, four hundred forty-three".