1339706404 has 9 divisors (see below), whose sum is σ = 2344614321. Its totient is φ = 669816600.

The previous prime is 1339706371. The next prime is 1339706413. The reversal of 1339706404 is 4046079331.

The square root of 1339706404 is 36602.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 17656804 + 1322049600 = 4202^2 + 36360^2 .

It is a super-2 number, since 2×1339706404² = 3589626497837222432, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 64054 + ... + 82354.

Almost surely, 2^1339706404 is an apocalyptic number.

1339706404 is the 36602-nd square number.

It is an amenable number.

1339706404 is a deficient number, since it is larger than the sum of its proper divisors (1004907917).

1339706404 is an frugal number, since it uses more digits than its factorization.

1339706404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36606 (or 18303 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 37.

The cubic root of 1339706404 is about 1102.3932476856.

The spelling of 1339706404 in words is "one billion, three hundred thirty-nine million, seven hundred six thousand, four hundred four".