1363730057 has 2 divisors, whose sum is σ = 1363730058. Its totient is φ = 1363730056.

The previous prime is 1363730041. The next prime is 1363730077. The reversal of 1363730057 is 7500373631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 860894281 + 502835776 = 29341^2 + 22424^2 .

It is an emirp because it is prime and its reverse (7500373631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1363730057 - 2⁴ = 1363730041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1363729999 and 1363730026.

It is not a weakly prime, because it can be changed into another prime (1363730077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 681865028 + 681865029.

It is an arithmetic number, because the mean of its divisors is an integer number (681865029).

Almost surely, 2^1363730057 is an apocalyptic number.

It is an amenable number.

1363730057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1363730057 is an equidigital number, since it uses as much as digits as its factorization.

1363730057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39690, while the sum is 35.

The square root of 1363730057 is about 36928.7158861502. The cubic root of 1363730057 is about 1108.9436307059.

The spelling of 1363730057 in words is "one billion, three hundred sixty-three million, seven hundred thirty thousand, fifty-seven".