1307828265 has 24 divisors (see below), whose sum is σ = 2132820480. Its totient is φ = 684325824.

The previous prime is 1307828219. The next prime is 1307828281. The reversal of 1307828265 is 5628287031.

It is not a de Polignac number, because 1307828265 - 2⁸ = 1307828009 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26616 + ... + 57654.

It is an arithmetic number, because the mean of its divisors is an integer number (88867520).

Almost surely, 2^1307828265 is an apocalyptic number.

1307828265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1307828265 is a deficient number, since it is larger than the sum of its proper divisors (824992215).

1307828265 is an equidigital number, since it uses as much as digits as its factorization.

1307828265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31153 (or 31100 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 1307828265 is about 36163.9083203129. The cubic root of 1307828265 is about 1093.5791960110.

The spelling of 1307828265 in words is "one billion, three hundred seven million, eight hundred twenty-eight thousand, two hundred sixty-five".