1006139476 has 12 divisors (see below), whose sum is σ = 1765137780. Its totient is φ = 501814400.

The previous prime is 1006139461. The next prime is 1006139501. The reversal of 1006139476 is 6749316001.

It can be written as a sum of positive squares in 2 ways, for example, as 835210000 + 170929476 = 28900^2 + 13074^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312031 + ... + 315238.

It is an arithmetic number, because the mean of its divisors is an integer number (147094815).

Almost surely, 2^1006139476 is an apocalyptic number.

It is an amenable number.

1006139476 is a deficient number, since it is larger than the sum of its proper divisors (758998304).

1006139476 is a wasteful number, since it uses less digits than its factorization.

1006139476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627674 (or 627672 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 1006139476 is about 31719.7017009933. The cubic root of 1006139476 is about 1002.0423180972.

The spelling of 1006139476 in words is "one billion, six million, one hundred thirty-nine thousand, four hundred seventy-six".