1371374743 has 2 divisors, whose sum is σ = 1371374744. Its totient is φ = 1371374742.

The previous prime is 1371374729. The next prime is 1371374749. The reversal of 1371374743 is 3474731731.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (3474731731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1371374743 - 2¹³ = 1371366551 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1371374696 and 1371374705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1371374749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 685687371 + 685687372.

It is an arithmetic number, because the mean of its divisors is an integer number (685687372).

Almost surely, 2^1371374743 is an apocalyptic number.

1371374743 is a deficient number, since it is larger than the sum of its proper divisors (1).

1371374743 is an equidigital number, since it uses as much as digits as its factorization.

1371374743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 148176, while the sum is 40.

The square root of 1371374743 is about 37032.0772169210. The cubic root of 1371374743 is about 1111.0119124947.

The spelling of 1371374743 in words is "one billion, three hundred seventy-one million, three hundred seventy-four thousand, seven hundred forty-three".