1102138666 has 8 divisors (see below), whose sum is σ = 1661043744. Its totient is φ = 548457420.

The previous prime is 1102138613. The next prime is 1102138693. The reversal of 1102138666 is 6668312011.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1305430 + ... + 1306273.

It is an arithmetic number, because the mean of its divisors is an integer number (207630468).

Almost surely, 2^1102138666 is an apocalyptic number.

1102138666 is a deficient number, since it is larger than the sum of its proper divisors (558905078).

1102138666 is a wasteful number, since it uses less digits than its factorization.

1102138666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2611916.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 1102138666 is about 33198.4738504649. The cubic root of 1102138666 is about 1032.9486830805.

The spelling of 1102138666 in words is "one billion, one hundred two million, one hundred thirty-eight thousand, six hundred sixty-six".