1314512565 has 16 divisors (see below), whose sum is σ = 2107515456. Its totient is φ = 699641600.

The previous prime is 1314512527. The next prime is 1314512567. The reversal of 1314512565 is 5652154131.

It is not a de Polignac number, because 1314512565 - 2¹¹ = 1314510517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1314512567) by changing a digit.

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, 81876 + ... + 96605.

It is an arithmetic number, because the mean of its divisors is an integer number (131719716).

Almost surely, 2^1314512565 is an apocalyptic number.

1314512565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1314512565 is a deficient number, since it is larger than the sum of its proper divisors (793002891).

1314512565 is a wasteful number, since it uses less digits than its factorization.

1314512565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178980.

The product of its digits is 18000, while the sum is 33.

The square root of 1314512565 is about 36256.2072616538. The cubic root of 1314512565 is about 1095.4391224741.

Adding to 1314512565 its reverse (5652154131), we get a palindrome (6966666696).

It can be divided in two parts, 13 and 14512565, that added together give a triangular number (14512578 = T₅₃₈₇).

The spelling of 1314512565 in words is "one billion, three hundred fourteen million, five hundred twelve thousand, five hundred sixty-five".