1387488002 has 8 divisors (see below), whose sum is σ = 2089330956. Its totient is φ = 691044352.

The previous prime is 1387487993. The next prime is 1387488013. The reversal of 1387488002 is 2008847831.

It is a Cunningham number, because it is equal to 193⁴+1.

It can be written as a sum of positive squares in 2 ways, for example, as 1387488001 + 1 = 37249^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 1349183 + ... + 1350210.

Almost surely, 2^1387488002 is an apocalyptic number.

1387488002 is a deficient number, since it is larger than the sum of its proper divisors (701842954).

1387488002 is a wasteful number, since it uses less digits than its factorization.

1387488002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2699652.

The product of its (nonzero) digits is 86016, while the sum is 41.

The square root of 1387488002 is about 37249.0000134232. Note that the first 4 decimals coincide. The cubic root of 1387488002 is about 1115.3463373423.

The spelling of 1387488002 in words is "one billion, three hundred eighty-seven million, four hundred eighty-eight thousand, two".