1426144403 has 4 divisors (see below), whose sum is σ = 1426262928. Its totient is φ = 1426025880.

The previous prime is 1426144393. The next prime is 1426144441. The reversal of 1426144403 is 3044416241.

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 1426144403 - 2⁴ = 1426144387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1426144483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38876 + ... + 66057.

It is an arithmetic number, because the mean of its divisors is an integer number (356565732).

Almost surely, 2^1426144403 is an apocalyptic number.

1426144403 is a deficient number, since it is larger than the sum of its proper divisors (118525).

1426144403 is a wasteful number, since it uses less digits than its factorization.

1426144403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118524.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 1426144403 is about 37764.3271222989. The cubic root of 1426144403 is about 1125.6097180172.

The spelling of 1426144403 in words is "one billion, four hundred twenty-six million, one hundred forty-four thousand, four hundred three".