1315934143 has 2 divisors, whose sum is σ = 1315934144. Its totient is φ = 1315934142.

The previous prime is 1315934111. The next prime is 1315934149. The reversal of 1315934143 is 3414395131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1315934143 - 2⁵ = 1315934111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1315934099 and 1315934108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1315934149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657967071 + 657967072.

It is an arithmetic number, because the mean of its divisors is an integer number (657967072).

Almost surely, 2^1315934143 is an apocalyptic number.

1315934143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315934143 is an equidigital number, since it uses as much as digits as its factorization.

1315934143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 34.

The square root of 1315934143 is about 36275.8065795924. The cubic root of 1315934143 is about 1095.8338673077.

The spelling of 1315934143 in words is "one billion, three hundred fifteen million, nine hundred thirty-four thousand, one hundred forty-three".