1310841227645 has 8 divisors (see below), whose sum is σ = 1575735662904. Its totient is φ = 1046855522304.

The previous prime is 1310841227617. The next prime is 1310841227651. The reversal of 1310841227645 is 5467221480131.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 676929081049 + 633912146596 = 822757^2 + 796186^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1310841227645 - 2⁶ = 1310841227581 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1310841227596 and 1310841227605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227179304 + ... + 227185073.

It is an arithmetic number, because the mean of its divisors is an integer number (196966957863).

Almost surely, 2^{1310841227645} is an apocalyptic number.

It is an amenable number.

1310841227645 is a deficient number, since it is larger than the sum of its proper divisors (264894435259).

1310841227645 is an equidigital number, since it uses as much as digits as its factorization.

1310841227645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454364959.

The product of its (nonzero) digits is 322560, while the sum is 44.

The spelling of 1310841227645 in words is "one trillion, three hundred ten billion, eight hundred forty-one million, two hundred twenty-seven thousand, six hundred forty-five".