1387067743 has 2 divisors, whose sum is σ = 1387067744. Its totient is φ = 1387067742.

The previous prime is 1387067707. The next prime is 1387067753. The reversal of 1387067743 is 3477607831.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1387067743 is a prime.

It is a super-2 number, since 2×1387067743² = 3847913847342228098, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1387067693 and 1387067702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1387067753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 693533871 + 693533872.

It is an arithmetic number, because the mean of its divisors is an integer number (693533872).

Almost surely, 2^1387067743 is an apocalyptic number.

1387067743 is a deficient number, since it is larger than the sum of its proper divisors (1).

1387067743 is an equidigital number, since it uses as much as digits as its factorization.

1387067743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 592704, while the sum is 46.

The square root of 1387067743 is about 37243.3583743464. The cubic root of 1387067743 is about 1115.2337161475.

The spelling of 1387067743 in words is "one billion, three hundred eighty-seven million, sixty-seven thousand, seven hundred forty-three".