1426985194 has 8 divisors (see below), whose sum is σ = 2214287460. Its totient is φ = 688889376.

The previous prime is 1426985141. The next prime is 1426985207. The reversal of 1426985194 is 4915896241.

It can be written as a sum of positive squares in 2 ways, for example, as 1350195025 + 76790169 = 36745^2 + 8763^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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, 12301539 + ... + 12301654.

Almost surely, 2^1426985194 is an apocalyptic number.

1426985194 is a deficient number, since it is larger than the sum of its proper divisors (787302266).

1426985194 is a wasteful number, since it uses less digits than its factorization.

1426985194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24603224.

The product of its digits is 622080, while the sum is 49.

The square root of 1426985194 is about 37775.4575617556. The cubic root of 1426985194 is about 1125.8308776216.

The spelling of 1426985194 in words is "one billion, four hundred twenty-six million, nine hundred eighty-five thousand, one hundred ninety-four".