1343601405 has 32 divisors (see below), whose sum is σ = 2415484800. Its totient is φ = 708529536.

The previous prime is 1343601377. The next prime is 1343601437. The reversal of 1343601405 is 5041063431.

1343601405 is a `hidden beast` number, since 13 + 4 + 3 + 601 + 40 + 5 = 666.

It is not a de Polignac number, because 1343601405 - 2⁹ = 1343600893 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43899 + ... + 67928.

It is an arithmetic number, because the mean of its divisors is an integer number (75483900).

Almost surely, 2^1343601405 is an apocalyptic number.

1343601405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1343601405 is a deficient number, since it is larger than the sum of its proper divisors (1071883395).

1343601405 is a wasteful number, since it uses less digits than its factorization.

1343601405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111930 (or 111924 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 1343601405 is about 36655.1688715248. The cubic root of 1343601405 is about 1103.4605631999.

Adding to 1343601405 its reverse (5041063431), we get a palindrome (6384664836).

The spelling of 1343601405 in words is "one billion, three hundred forty-three million, six hundred one thousand, four hundred five".