1306410845 has 4 divisors (see below), whose sum is σ = 1567693020. Its totient is φ = 1045128672.

The previous prime is 1306410827. The next prime is 1306410857. The reversal of 1306410845 is 5480146031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5480146031 = 389 ⋅14087779.

It can be written as a sum of positive squares in 2 ways, for example, as 534626884 + 771783961 = 23122^2 + 27781^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1306410845 is a prime.

It is a super-2 number, since 2×1306410845² = 3413418591867228050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130641080 + ... + 130641089.

It is an arithmetic number, because the mean of its divisors is an integer number (391923255).

Almost surely, 2^1306410845 is an apocalyptic number.

It is an amenable number.

1306410845 is a deficient number, since it is larger than the sum of its proper divisors (261282175).

1306410845 is an equidigital number, since it uses as much as digits as its factorization.

1306410845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261282174.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 1306410845 is about 36144.3058447662. The cubic root of 1306410845 is about 1093.1839806792.

Adding to 1306410845 its reverse (5480146031), we get a palindrome (6786556876).

The spelling of 1306410845 in words is "one billion, three hundred six million, four hundred ten thousand, eight hundred forty-five".