1428915736 has 32 divisors (see below), whose sum is σ = 2790172800. Its totient is φ = 685278720.

The previous prime is 1428915721. The next prime is 1428915769. The reversal of 1428915736 is 6375198241.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 2530 + ... + 53518.

It is an arithmetic number, because the mean of its divisors is an integer number (87192900).

Almost surely, 2^1428915736 is an apocalyptic number.

It is an amenable number.

1428915736 is a deficient number, since it is larger than the sum of its proper divisors (1361257064).

1428915736 is a wasteful number, since it uses less digits than its factorization.

1428915736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51139 (or 51135 counting only the distinct ones).

The product of its digits is 362880, while the sum is 46.

The square root of 1428915736 is about 37801.0017856670. The cubic root of 1428915736 is about 1126.3383541282.

The spelling of 1428915736 in words is "one billion, four hundred twenty-eight million, nine hundred fifteen thousand, seven hundred thirty-six".