1428068634 has 32 divisors (see below), whose sum is σ = 2957584320. Its totient is φ = 459148032.

The previous prime is 1428068611. The next prime is 1428068641. The reversal of 1428068634 is 4368608241.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198834 + ... + 205890.

It is an arithmetic number, because the mean of its divisors is an integer number (92424510).

Almost surely, 2^1428068634 is an apocalyptic number.

1428068634 is an abundant number, since it is smaller than the sum of its proper divisors (1529515686).

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

1428068634 is a wasteful number, since it uses less digits than its factorization.

1428068634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8254.

The product of its (nonzero) digits is 221184, while the sum is 42.

The square root of 1428068634 is about 37789.7953685912. The cubic root of 1428068634 is about 1126.1157349645.

The spelling of 1428068634 in words is "one billion, four hundred twenty-eight million, sixty-eight thousand, six hundred thirty-four".