1315862147 has 2 divisors, whose sum is σ = 1315862148. Its totient is φ = 1315862146.

The previous prime is 1315862129. The next prime is 1315862161. The reversal of 1315862147 is 7412685131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1315862147 - 2⁶ = 1315862083 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1315862147.

It is not a weakly prime, because it can be changed into another prime (1315862447) 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, 657931073 + 657931074.

It is an arithmetic number, because the mean of its divisors is an integer number (657931074).

Almost surely, 2^1315862147 is an apocalyptic number.

1315862147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315862147 is an equidigital number, since it uses as much as digits as its factorization.

1315862147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 38.

The square root of 1315862147 is about 36274.8142241969. The cubic root of 1315862147 is about 1095.8138822412.

The spelling of 1315862147 in words is "one billion, three hundred fifteen million, eight hundred sixty-two thousand, one hundred forty-seven".