1431264137 has 2 divisors, whose sum is σ = 1431264138. Its totient is φ = 1431264136.

The previous prime is 1431264113. The next prime is 1431264151. The reversal of 1431264137 is 7314621341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1402577401 + 28686736 = 37451^2 + 5356^2 .

It is an emirp because it is prime and its reverse (7314621341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1431264137 - 2¹² = 1431260041 is a prime.

It is not a weakly prime, because it can be changed into another prime (1431264437) 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, 715632068 + 715632069.

It is an arithmetic number, because the mean of its divisors is an integer number (715632069).

Almost surely, 2^1431264137 is an apocalyptic number.

It is an amenable number.

1431264137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1431264137 is an equidigital number, since it uses as much as digits as its factorization.

1431264137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 32.

The square root of 1431264137 is about 37832.0517154436. The cubic root of 1431264137 is about 1126.9550563160.

Adding to 1431264137 its reverse (7314621341), we get a palindrome (8745885478).

The spelling of 1431264137 in words is "one billion, four hundred thirty-one million, two hundred sixty-four thousand, one hundred thirty-seven".