1431500137 has 2 divisors, whose sum is σ = 1431500138. Its totient is φ = 1431500136.

The previous prime is 1431500131. The next prime is 1431500153. The reversal of 1431500137 is 7310051341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 716686441 + 714813696 = 26771^2 + 26736^2 .

It is a cyclic number.

It is not a de Polignac number, because 1431500137 - 2³ = 1431500129 is a prime.

It is not a weakly prime, because it can be changed into another prime (1431500131) 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, 715750068 + 715750069.

It is an arithmetic number, because the mean of its divisors is an integer number (715750069).

Almost surely, 2^1431500137 is an apocalyptic number.

It is an amenable number.

1431500137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1431500137 is an equidigital number, since it uses as much as digits as its factorization.

1431500137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 1431500137 is about 37835.1706352700. The cubic root of 1431500137 is about 1127.0169938181.

Adding to 1431500137 its reverse (7310051341), we get a palindrome (8741551478).

The spelling of 1431500137 in words is "one billion, four hundred thirty-one million, five hundred thousand, one hundred thirty-seven".