1395557027 has 2 divisors, whose sum is σ = 1395557028. Its totient is φ = 1395557026.

The previous prime is 1395556997. The next prime is 1395557063. The reversal of 1395557027 is 7207555931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1395557027 - 2¹⁶ = 1395491491 is a prime.

It is not a weakly prime, because it can be changed into another prime (1395557077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 697778513 + 697778514.

It is an arithmetic number, because the mean of its divisors is an integer number (697778514).

Almost surely, 2^1395557027 is an apocalyptic number.

1395557027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1395557027 is an equidigital number, since it uses as much as digits as its factorization.

1395557027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 330750, while the sum is 44.

The square root of 1395557027 is about 37357.1549639423. The cubic root of 1395557027 is about 1117.5042821064.

The spelling of 1395557027 in words is "one billion, three hundred ninety-five million, five hundred fifty-seven thousand, twenty-seven".