1339458945 has 16 divisors (see below), whose sum is σ = 2337964992. Its totient is φ = 649434560.

The previous prime is 1339458929. The next prime is 1339458959. The reversal of 1339458945 is 5498549331.

It is not a de Polignac number, because 1339458945 - 2⁴ = 1339458929 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4058802 + ... + 4059131.

It is an arithmetic number, because the mean of its divisors is an integer number (146122812).

Almost surely, 2^1339458945 is an apocalyptic number.

1339458945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1339458945 is a deficient number, since it is larger than the sum of its proper divisors (998506047).

1339458945 is a wasteful number, since it uses less digits than its factorization.

1339458945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8117952.

The product of its digits is 2332800, while the sum is 51.

The square root of 1339458945 is about 36598.6194411756. The cubic root of 1339458945 is about 1102.3253686518.

The spelling of 1339458945 in words is "one billion, three hundred thirty-nine million, four hundred fifty-eight thousand, nine hundred forty-five".