1344555403 has 4 divisors (see below), whose sum is σ = 1345076928. Its totient is φ = 1344033880.

The previous prime is 1344555371. The next prime is 1344555419. The reversal of 1344555403 is 3045554431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1344555403 - 2⁵ = 1344555371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1344555493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256876 + ... + 262057.

It is an arithmetic number, because the mean of its divisors is an integer number (336269232).

Almost surely, 2^1344555403 is an apocalyptic number.

1344555403 is a deficient number, since it is larger than the sum of its proper divisors (521525).

1344555403 is an equidigital number, since it uses as much as digits as its factorization.

1344555403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521524.

The product of its (nonzero) digits is 72000, while the sum is 34.

The square root of 1344555403 is about 36668.1797066612. The cubic root of 1344555403 is about 1103.7216649709.

The spelling of 1344555403 in words is "one billion, three hundred forty-four million, five hundred fifty-five thousand, four hundred three".