2005150138 has 16 divisors (see below), whose sum is σ = 3063936384. Its totient is φ = 983949120.

The previous prime is 2005150079. The next prime is 2005150159. The reversal of 2005150138 is 8310515002.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8706 + ... + 63922.

It is an arithmetic number, because the mean of its divisors is an integer number (191496024).

Almost surely, 2^2005150138 is an apocalyptic number.

2005150138 is a deficient number, since it is larger than the sum of its proper divisors (1058786246).

2005150138 is a wasteful number, since it uses less digits than its factorization.

2005150138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55557.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 2005150138 is about 44778.9028226463. The cubic root of 2005150138 is about 1261.0015841542.

The spelling of 2005150138 in words is "two billion, five million, one hundred fifty thousand, one hundred thirty-eight".