1381086743 has 2 divisors, whose sum is σ = 1381086744. Its totient is φ = 1381086742.

The previous prime is 1381086703. The next prime is 1381086779. The reversal of 1381086743 is 3476801831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1381086743 - 2¹⁴ = 1381070359 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1381086743.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1381086703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 690543371 + 690543372.

It is an arithmetic number, because the mean of its divisors is an integer number (690543372).

Almost surely, 2^1381086743 is an apocalyptic number.

1381086743 is a deficient number, since it is larger than the sum of its proper divisors (1).

1381086743 is an equidigital number, since it uses as much as digits as its factorization.

1381086743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 1381086743 is about 37162.9754325458. The cubic root of 1381086743 is about 1113.6284537311.

The spelling of 1381086743 in words is "one billion, three hundred eighty-one million, eighty-six thousand, seven hundred forty-three".