1428285537 has 96 divisors (see below), whose sum is σ = 2608087040. Its totient is φ = 734832000.

The previous prime is 1428285517. The next prime is 1428285557. The reversal of 1428285537 is 7355828241.

1428285537 is a `hidden beast` number, since 14 + 2 + 82 + 8 + 553 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (1428285517) and next prime (1428285557).

It is not a de Polignac number, because 1428285537 - 2¹⁵ = 1428252769 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1428285492 and 1428285501.

It is not an unprimeable number, because it can be changed into a prime (1428285517) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 2263212 + ... + 2263842.

Almost surely, 2^1428285537 is an apocalyptic number.

It is an amenable number.

1428285537 is a deficient number, since it is larger than the sum of its proper divisors (1179801503).

1428285537 is a wasteful number, since it uses less digits than its factorization.

1428285537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755 (or 752 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 1428285537 is about 37792.6651216873. The cubic root of 1428285537 is about 1126.1727456501.

The spelling of 1428285537 in words is "one billion, four hundred twenty-eight million, two hundred eighty-five thousand, five hundred thirty-seven".