1339865998 has 8 divisors (see below), whose sum is σ = 2010813408. Its totient is φ = 669594864.

The previous prime is 1339865983. The next prime is 1339866001. The reversal of 1339865998 is 8995689331.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164086 + ... + 172057.

It is an arithmetic number, because the mean of its divisors is an integer number (251351676).

Almost surely, 2^1339865998 is an apocalyptic number.

1339865998 is a deficient number, since it is larger than the sum of its proper divisors (670947410).

1339865998 is a wasteful number, since it uses less digits than its factorization.

1339865998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338138.

The product of its digits is 12597120, while the sum is 61.

The square root of 1339865998 is about 36604.1800618454. The cubic root of 1339865998 is about 1102.4370205504.

The spelling of 1339865998 in words is "one billion, three hundred thirty-nine million, eight hundred sixty-five thousand, nine hundred ninety-eight".