1395490027 has 2 divisors, whose sum is σ = 1395490028. Its totient is φ = 1395490026.

The previous prime is 1395490021. The next prime is 1395490037. The reversal of 1395490027 is 7200945931.

It is a weak prime.

It is an emirp because it is prime and its reverse (7200945931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1395490027 - 2¹¹ = 1395487979 is a prime.

It is not a weakly prime, because it can be changed into another prime (1395490021) 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, 697745013 + 697745014.

It is an arithmetic number, because the mean of its divisors is an integer number (697745014).

Almost surely, 2^1395490027 is an apocalyptic number.

1395490027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1395490027 is an equidigital number, since it uses as much as digits as its factorization.

1395490027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 1395490027 is about 37356.2582039476. The cubic root of 1395490027 is about 1117.4863982116.

The spelling of 1395490027 in words is "one billion, three hundred ninety-five million, four hundred ninety thousand, twenty-seven".