409138006 has 8 divisors (see below), whose sum is σ = 614772360. Its totient is φ = 204213888.

The previous prime is 409137983. The next prime is 409138013. The reversal of 409138006 is 600831904.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176116 + ... + 178423.

It is an arithmetic number, because the mean of its divisors is an integer number (76846545).

Almost surely, 2^409138006 is an apocalyptic number.

409138006 is a deficient number, since it is larger than the sum of its proper divisors (205634354).

409138006 is a wasteful number, since it uses less digits than its factorization.

409138006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355118.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 409138006 is about 20227.1601071431. The cubic root of 409138006 is about 742.3748913825.

The spelling of 409138006 in words is "four hundred nine million, one hundred thirty-eight thousand, six".