1344307861 has 16 divisors (see below), whose sum is σ = 1558872000. Its totient is φ = 1148099328.

The previous prime is 1344307849. The next prime is 1344307889. The reversal of 1344307861 is 1687034431.

It is a cyclic number.

It is not a de Polignac number, because 1344307861 - 2¹¹ = 1344305813 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1344307861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344307891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38511 + ... + 64588.

It is an arithmetic number, because the mean of its divisors is an integer number (97429500).

Almost surely, 2^1344307861 is an apocalyptic number.

It is an amenable number.

1344307861 is a deficient number, since it is larger than the sum of its proper divisors (214564139).

1344307861 is a wasteful number, since it uses less digits than its factorization.

1344307861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103188.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 1344307861 is about 36664.8041178458. The cubic root of 1344307861 is about 1103.6539265357.

The spelling of 1344307861 in words is "one billion, three hundred forty-four million, three hundred seven thousand, eight hundred sixty-one".