1314400397 has 2 divisors, whose sum is σ = 1314400398. Its totient is φ = 1314400396.

The previous prime is 1314400369. The next prime is 1314400433. The reversal of 1314400397 is 7930044131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 678654601 + 635745796 = 26051^2 + 25214^2 .

It is an emirp because it is prime and its reverse (7930044131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1314400397 - 2⁸ = 1314400141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1314400357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657200198 + 657200199.

It is an arithmetic number, because the mean of its divisors is an integer number (657200199).

Almost surely, 2^1314400397 is an apocalyptic number.

It is an amenable number.

1314400397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1314400397 is an equidigital number, since it uses as much as digits as its factorization.

1314400397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 1314400397 is about 36254.6603487055. The cubic root of 1314400397 is about 1095.4079634691.

The spelling of 1314400397 in words is "one billion, three hundred fourteen million, four hundred thousand, three hundred ninety-seven".