1002008146 has 8 divisors (see below), whose sum is σ = 1506302460. Its totient is φ = 499907328.

The previous prime is 1002008141. The next prime is 1002008167. The reversal of 1002008146 is 6418002001.

It can be written as a sum of positive squares in 2 ways, for example, as 929945025 + 72063121 = 30495^2 + 8489^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1002008141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 547231 + ... + 549058.

Almost surely, 2^1002008146 is an apocalyptic number.

1002008146 is a deficient number, since it is larger than the sum of its proper divisors (504294314).

1002008146 is a wasteful number, since it uses less digits than its factorization.

1002008146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096748.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 1002008146 is about 31654.5122533897. The cubic root of 1002008146 is about 1000.6689344270.

The spelling of 1002008146 in words is "one billion, two million, eight thousand, one hundred forty-six".