1314140621 has 2 divisors, whose sum is σ = 1314140622. Its totient is φ = 1314140620.

The previous prime is 1314140609. The next prime is 1314140669. The reversal of 1314140621 is 1260414131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1114624996 + 199515625 = 33386^2 + 14125^2 .

It is a cyclic number.

It is not a de Polignac number, because 1314140621 - 2³⁰ = 240398797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1314160621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657070310 + 657070311.

It is an arithmetic number, because the mean of its divisors is an integer number (657070311).

Almost surely, 2^1314140621 is an apocalyptic number.

It is an amenable number.

1314140621 is a deficient number, since it is larger than the sum of its proper divisors (1).

1314140621 is an equidigital number, since it uses as much as digits as its factorization.

1314140621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1314140621 is about 36251.0775150202. The cubic root of 1314140621 is about 1095.3357938196.

Adding to 1314140621 its reverse (1260414131), we get a palindrome (2574554752).

The spelling of 1314140621 in words is "one billion, three hundred fourteen million, one hundred forty thousand, six hundred twenty-one".