1315354739 has 2 divisors, whose sum is σ = 1315354740. Its totient is φ = 1315354738.

The previous prime is 1315354727. The next prime is 1315354741. The reversal of 1315354739 is 9374535131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1315354739 - 2²⁸ = 1046919283 is a prime.

Together with 1315354741, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1315354696 and 1315354705.

It is not a weakly prime, because it can be changed into another prime (1315354709) 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, 657677369 + 657677370.

It is an arithmetic number, because the mean of its divisors is an integer number (657677370).

Almost surely, 2^1315354739 is an apocalyptic number.

1315354739 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315354739 is an equidigital number, since it uses as much as digits as its factorization.

1315354739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 170100, while the sum is 41.

The square root of 1315354739 is about 36267.8196063673. The cubic root of 1315354739 is about 1095.6730123139.

The spelling of 1315354739 in words is "one billion, three hundred fifteen million, three hundred fifty-four thousand, seven hundred thirty-nine".