1265314064 has 30 divisors (see below), whose sum is σ = 2851800174. Its totient is φ = 542277120.

The previous prime is 1265314003. The next prime is 1265314093. The reversal of 1265314064 is 4604135621.

It can be written as a sum of positive squares in only one way, i.e., 807696400 + 457617664 = 28420^2 + 21392^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1265314064.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 806177 + ... + 807744.

Almost surely, 2^1265314064 is an apocalyptic number.

1265314064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1265314064 is an abundant number, since it is smaller than the sum of its proper divisors (1586486110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1265314064 is a wasteful number, since it uses less digits than its factorization.

1265314064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613943 (or 1613930 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 1265314064 is about 35571.2533374915. The cubic root of 1265314064 is about 1081.5985882902.

Adding to 1265314064 its reverse (4604135621), we get a palindrome (5869449685).

The spelling of 1265314064 in words is "one billion, two hundred sixty-five million, three hundred fourteen thousand, sixty-four".