1543366986139 has 12 divisors (see below), whose sum is σ = 1742277590032. Its totient is φ = 1365140327760.

The previous prime is 1543366986127. The next prime is 1543366986173. The reversal of 1543366986139 is 9316896633451.

It is a happy number.

It is not a de Polignac number, because 1543366986139 - 2⁹ = 1543366985627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1543366986739) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172361727 + ... + 172370680.

Almost surely, 2^{1543366986139} is an apocalyptic number.

1543366986139 is a deficient number, since it is larger than the sum of its proper divisors (198910603893).

1543366986139 is a wasteful number, since it uses less digits than its factorization.

1543366986139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344732466 (or 344732455 counting only the distinct ones).

The product of its digits is 75582720, while the sum is 64.

The spelling of 1543366986139 in words is "one trillion, five hundred forty-three billion, three hundred sixty-six million, nine hundred eighty-six thousand, one hundred thirty-nine".