1339806802 has 8 divisors (see below), whose sum is σ = 2009947212. Its totient is φ = 669824400.

The previous prime is 1339806791. The next prime is 1339806803. The reversal of 1339806802 is 2086089331.

It can be written as a sum of positive squares in 2 ways, for example, as 1021505521 + 318301281 = 31961^2 + 17841^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1339806803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15349 + ... + 53992.

Almost surely, 2^1339806802 is an apocalyptic number.

1339806802 is a deficient number, since it is larger than the sum of its proper divisors (670140410).

1339806802 is an equidigital number, since it uses as much as digits as its factorization.

1339806802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79004.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 1339806802 is about 36603.3714567388. The cubic root of 1339806802 is about 1102.4207848913.

The spelling of 1339806802 in words is "one billion, three hundred thirty-nine million, eight hundred six thousand, eight hundred two".