1360265821 has 2 divisors, whose sum is σ = 1360265822. Its totient is φ = 1360265820.

The previous prime is 1360265773. The next prime is 1360265843. The reversal of 1360265821 is 1285620631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1355270596 + 4995225 = 36814^2 + 2235^2 .

It is a cyclic number.

It is not a de Polignac number, because 1360265821 - 2¹⁷ = 1360134749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1360266821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680132910 + 680132911.

It is an arithmetic number, because the mean of its divisors is an integer number (680132911).

Almost surely, 2^1360265821 is an apocalyptic number.

It is an amenable number.

1360265821 is a deficient number, since it is larger than the sum of its proper divisors (1).

1360265821 is an equidigital number, since it uses as much as digits as its factorization.

1360265821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 1360265821 is about 36881.7816950320. The cubic root of 1360265821 is about 1108.0038308395.

The spelling of 1360265821 in words is "one billion, three hundred sixty million, two hundred sixty-five thousand, eight hundred twenty-one".