1390503743 has 2 divisors, whose sum is σ = 1390503744. Its totient is φ = 1390503742.

The previous prime is 1390503679. The next prime is 1390503749. The reversal of 1390503743 is 3473050931.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1390503743 - 2⁶ = 1390503679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1390503749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 695251871 + 695251872.

It is an arithmetic number, because the mean of its divisors is an integer number (695251872).

Almost surely, 2^1390503743 is an apocalyptic number.

1390503743 is a deficient number, since it is larger than the sum of its proper divisors (1).

1390503743 is an equidigital number, since it uses as much as digits as its factorization.

1390503743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 35.

The square root of 1390503743 is about 37289.4588724481. The cubic root of 1390503743 is about 1116.1538306103.

The spelling of 1390503743 in words is "one billion, three hundred ninety million, five hundred three thousand, seven hundred forty-three".