1264713340 has 48 divisors (see below), whose sum is σ = 3049845120. Its totient is φ = 435689280.

The previous prime is 1264713319. The next prime is 1264713349. The reversal of 1264713340 is 433174621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1264713349) 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, 147102 + ... + 155461.

It is an arithmetic number, because the mean of its divisors is an integer number (63538440).

Almost surely, 2^1264713340 is an apocalyptic number.

1264713340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1264713340 is an abundant number, since it is smaller than the sum of its proper divisors (1785131780).

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

1264713340 is a wasteful number, since it uses less digits than its factorization.

1264713340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302602 (or 302600 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 1264713340 is about 35562.8083817912. The cubic root of 1264713340 is about 1081.4273936173.

Adding to 1264713340 its reverse (433174621), we get a palindrome (1697887961).

The spelling of 1264713340 in words is "one billion, two hundred sixty-four million, seven hundred thirteen thousand, three hundred forty".