1339702666 has 32 divisors (see below), whose sum is σ = 2131953408. Its totient is φ = 630115200.

The previous prime is 1339702649. The next prime is 1339702667. The reversal of 1339702666 is 6662079331.

It is not an unprimeable number, because it can be changed into a prime (1339702667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 742966 + ... + 744766.

It is an arithmetic number, because the mean of its divisors is an integer number (66623544).

Almost surely, 2^1339702666 is an apocalyptic number.

1339702666 is a deficient number, since it is larger than the sum of its proper divisors (792250742).

1339702666 is a wasteful number, since it uses less digits than its factorization.

1339702666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2086.

The product of its (nonzero) digits is 244944, while the sum is 43.

The square root of 1339702666 is about 36601.9489371809. The cubic root of 1339702666 is about 1102.3922223988.

The spelling of 1339702666 in words is "one billion, three hundred thirty-nine million, seven hundred two thousand, six hundred sixty-six".