1341040405 has 8 divisors (see below), whose sum is σ = 1629619200. Its totient is φ = 1059251856.

The previous prime is 1341040381. The next prime is 1341040433. The reversal of 1341040405 is 5040401431.

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 1341040405 - 2¹³ = 1341032213 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1697125 + ... + 1697914.

It is an arithmetic number, because the mean of its divisors is an integer number (203702400).

Almost surely, 2^1341040405 is an apocalyptic number.

It is an amenable number.

1341040405 is a deficient number, since it is larger than the sum of its proper divisors (288578795).

1341040405 is an equidigital number, since it uses as much as digits as its factorization.

1341040405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3395123.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1341040405 is about 36620.2185274747. The cubic root of 1341040405 is about 1102.7590258018.

Adding to 1341040405 its reverse (5040401431), we get a palindrome (6381441836).

The spelling of 1341040405 in words is "one billion, three hundred forty-one million, forty thousand, four hundred five".