1315069945 has 16 divisors (see below), whose sum is σ = 1826357760. Its totient is φ = 890345664.

The previous prime is 1315069927. The next prime is 1315069979. The reversal of 1315069945 is 5499605131.

It is a cyclic number.

It is not a de Polignac number, because 1315069945 - 2⁵ = 1315069913 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235042 + ... + 240571.

It is an arithmetic number, because the mean of its divisors is an integer number (114147360).

Almost surely, 2^1315069945 is an apocalyptic number.

It is an amenable number.

1315069945 is a deficient number, since it is larger than the sum of its proper divisors (511287815).

1315069945 is an equidigital number, since it uses as much as digits as its factorization.

1315069945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475704.

The product of its (nonzero) digits is 145800, while the sum is 43.

The square root of 1315069945 is about 36263.8931307713. The cubic root of 1315069945 is about 1095.5939300674.

The spelling of 1315069945 in words is "one billion, three hundred fifteen million, sixty-nine thousand, nine hundred forty-five".