1420443134 has 16 divisors (see below), whose sum is σ = 2327584896. Its totient is φ = 644760600.

The previous prime is 1420443119. The next prime is 1420443161. The reversal of 1420443134 is 4313440241.

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, 28412 + ... + 60399.

It is an arithmetic number, because the mean of its divisors is an integer number (145474056).

Almost surely, 2^1420443134 is an apocalyptic number.

1420443134 is a deficient number, since it is larger than the sum of its proper divisors (907141762).

1420443134 is a wasteful number, since it uses less digits than its factorization.

1420443134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89551.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 1420443134 is about 37688.7666818642. The cubic root of 1420443134 is about 1124.1077723057.

Adding to 1420443134 its reverse (4313440241), we get a palindrome (5733883375).

The spelling of 1420443134 in words is "one billion, four hundred twenty million, four hundred forty-three thousand, one hundred thirty-four".