1314121493 has 2 divisors, whose sum is σ = 1314121494. Its totient is φ = 1314121492.

The previous prime is 1314121427. The next prime is 1314121513. The reversal of 1314121493 is 3941214131.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1225140004 + 88981489 = 35002^2 + 9433^2 .

It is an emirp because it is prime and its reverse (3941214131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1314121493 - 2¹⁴ = 1314105109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1314121693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657060746 + 657060747.

It is an arithmetic number, because the mean of its divisors is an integer number (657060747).

Almost surely, 2^1314121493 is an apocalyptic number.

It is an amenable number.

1314121493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1314121493 is an equidigital number, since it uses as much as digits as its factorization.

1314121493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 29.

The square root of 1314121493 is about 36250.8136874195. The cubic root of 1314121493 is about 1095.3304793999.

The spelling of 1314121493 in words is "one billion, three hundred fourteen million, one hundred twenty-one thousand, four hundred ninety-three".