1140550138 has 16 divisors (see below), whose sum is σ = 2105631360. Its totient is φ = 451206576.

The previous prime is 1140550121. The next prime is 1140550163. The reversal of 1140550138 is 8310550411.

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, 3133198 + ... + 3133561.

It is an arithmetic number, because the mean of its divisors is an integer number (131601960).

Almost surely, 2^1140550138 is an apocalyptic number.

1140550138 is a deficient number, since it is larger than the sum of its proper divisors (965081222).

1140550138 is a wasteful number, since it uses less digits than its factorization.

1140550138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6266781.

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 1140550138 is about 33772.0318903083. The cubic root of 1140550138 is about 1044.8119402434.

The spelling of 1140550138 in words is "one billion, one hundred forty million, five hundred fifty thousand, one hundred thirty-eight".