1339550345 has 8 divisors (see below), whose sum is σ = 1837097664. Its totient is φ = 918548784.

The previous prime is 1339550327. The next prime is 1339550353. The reversal of 1339550345 is 5430559331.

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 1339550345 - 2¹² = 1339546249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1339550299 and 1339550308.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 19136399 + ... + 19136468.

It is an arithmetic number, because the mean of its divisors is an integer number (229637208).

Almost surely, 2^1339550345 is an apocalyptic number.

It is an amenable number.

1339550345 is a deficient number, since it is larger than the sum of its proper divisors (497547319).

1339550345 is an equidigital number, since it uses as much as digits as its factorization.

1339550345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38272879.

The product of its (nonzero) digits is 121500, while the sum is 38.

The square root of 1339550345 is about 36599.8681008552. The cubic root of 1339550345 is about 1102.3504410259.

The spelling of 1339550345 in words is "one billion, three hundred thirty-nine million, five hundred fifty thousand, three hundred forty-five".