1339999959 has 8 divisors (see below), whose sum is σ = 1891764720. Its totient is φ = 840784256.

The previous prime is 1339999937. The next prime is 1339999961. The reversal of 1339999959 is 9599999331.

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

It is a cyclic number.

It is not a de Polignac number, because 1339999959 - 2⁹ = 1339999447 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1339999959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1339999919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13137204 + ... + 13137305.

It is an arithmetic number, because the mean of its divisors is an integer number (236470590).

Almost surely, 2^1339999959 is an apocalyptic number.

1339999959 is a deficient number, since it is larger than the sum of its proper divisors (551764761).

1339999959 is a wasteful number, since it uses less digits than its factorization.

1339999959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26274529.

The product of its digits is 23914845, while the sum is 66.

The square root of 1339999959 is about 36606.0098754289. The cubic root of 1339999959 is about 1102.4737602056.

The spelling of 1339999959 in words is "one billion, three hundred thirty-nine million, nine hundred ninety-nine thousand, nine hundred fifty-nine".