1426109634 has 24 divisors (see below), whose sum is σ = 3271663980. Its totient is φ = 447406848.

The previous prime is 1426109627. The next prime is 1426109639. The reversal of 1426109634 is 4369016241.

1426109634 is a `hidden beast` number, since 1 + 4 + 2 + 6 + 10 + 9 + 634 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1345055625 + 81054009 = 36675^2 + 9003^2 .

It is a super-2 number, since 2×1426109634² = 4067577376375227912, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1426109639) 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 11 ways as a sum of consecutive naturals, for example, 2329939 + ... + 2330550.

Almost surely, 2^1426109634 is an apocalyptic number.

1426109634 is an abundant number, since it is smaller than the sum of its proper divisors (1845554346).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1426109634 is a wasteful number, since it uses less digits than its factorization.

1426109634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4660514 (or 4660511 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 1426109634 is about 37763.8667776487. The cubic root of 1426109634 is about 1125.6005705933.

The spelling of 1426109634 in words is "one billion, four hundred twenty-six million, one hundred nine thousand, six hundred thirty-four".