1345279859044 has 27 divisors (see below), whose sum is σ = 2587767160153. Its totient is φ = 611479246400.

The previous prime is 1345279859023. The next prime is 1345279859093. The reversal of 1345279859044 is 4409589725431.

The square root of 1345279859044 is 1159862.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 119742297444 + 1225537561600 = 346038^2 + 1107040^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 25490604 + ... + 25543324.

Almost surely, 2^{1345279859044} is an apocalyptic number.

1345279859044 is the 1159862-nd square number.

It is an amenable number.

1345279859044 is a deficient number, since it is larger than the sum of its proper divisors (1242487301109).

1345279859044 is an frugal number, since it uses more digits than its factorization.

1345279859044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105468 (or 52734 counting only the distinct ones).

The product of its (nonzero) digits is 43545600, while the sum is 61.

The spelling of 1345279859044 in words is "one trillion, three hundred forty-five billion, two hundred seventy-nine million, eight hundred fifty-nine thousand, forty-four".