1006139485 has 48 divisors (see below), whose sum is σ = 1407495600. Its totient is φ = 685504512.

The previous prime is 1006139461. The next prime is 1006139501. The reversal of 1006139485 is 5849316001.

It can be written as a sum of positive squares in 8 ways, for example, as 120362841 + 885776644 = 10971^2 + 29762^2 .

It is not a de Polignac number, because 1006139485 - 2¹⁷ = 1006008413 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 996661 + ... + 997669.

It is an arithmetic number, because the mean of its divisors is an integer number (29322825).

Almost surely, 2^1006139485 is an apocalyptic number.

It is an amenable number.

1006139485 is a deficient number, since it is larger than the sum of its proper divisors (401356115).

1006139485 is a wasteful number, since it uses less digits than its factorization.

1006139485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102 (or 1079 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 1006139485 is about 31719.7018428610. The cubic root of 1006139485 is about 1002.0423210850.

The spelling of 1006139485 in words is "one billion, six million, one hundred thirty-nine thousand, four hundred eighty-five".