1387281282 has 32 divisors (see below), whose sum is σ = 2793537600. Its totient is φ = 459276480.

The previous prime is 1387281253. The next prime is 1387281319. The reversal of 1387281282 is 2821827831.

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 15 ways as a sum of consecutive naturals, for example, 591432 + ... + 593772.

It is an arithmetic number, because the mean of its divisors is an integer number (87298050).

Almost surely, 2^1387281282 is an apocalyptic number.

1387281282 is an abundant number, since it is smaller than the sum of its proper divisors (1406256318).

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

1387281282 is a wasteful number, since it uses less digits than its factorization.

1387281282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2978.

The product of its digits is 86016, while the sum is 42.

The square root of 1387281282 is about 37246.2250704686. The cubic root of 1387281282 is about 1115.2909432666.

The spelling of 1387281282 in words is "one billion, three hundred eighty-seven million, two hundred eighty-one thousand, two hundred eighty-two".