1339854439 has 16 divisors (see below), whose sum is σ = 1768732416. Its totient is φ = 982627200.

The previous prime is 1339854403. The next prime is 1339854493. The reversal of 1339854439 is 9344589331.

It is not a de Polignac number, because 1339854439 - 2⁷ = 1339854311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1339854392 and 1339854401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1339857439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 510477 + ... + 513094.

It is an arithmetic number, because the mean of its divisors is an integer number (110545776).

Almost surely, 2^1339854439 is an apocalyptic number.

1339854439 is a deficient number, since it is larger than the sum of its proper divisors (428877977).

1339854439 is a wasteful number, since it uses less digits than its factorization.

1339854439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023606.

The product of its digits is 1399680, while the sum is 49.

The square root of 1339854439 is about 36604.0221697015. The cubic root of 1339854439 is about 1102.4338503065.

The spelling of 1339854439 in words is "one billion, three hundred thirty-nine million, eight hundred fifty-four thousand, four hundred thirty-nine".