1347704939 has 4 divisors (see below), whose sum is σ = 1540234224. Its totient is φ = 1155175656.

The previous prime is 1347704929. The next prime is 1347704957. The reversal of 1347704939 is 9394077431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9394077431 = 43 ⋅218466917.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1347704939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1347704893 and 1347704902.

It is not an unprimeable number, because it can be changed into a prime (1347704929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96264632 + ... + 96264645.

It is an arithmetic number, because the mean of its divisors is an integer number (385058556).

Almost surely, 2^1347704939 is an apocalyptic number.

1347704939 is a deficient number, since it is larger than the sum of its proper divisors (192529285).

1347704939 is an equidigital number, since it uses as much as digits as its factorization.

1347704939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192529284.

The product of its (nonzero) digits is 571536, while the sum is 47.

The square root of 1347704939 is about 36711.1010322491. The cubic root of 1347704939 is about 1104.5827923415.

The spelling of 1347704939 in words is "one billion, three hundred forty-seven million, seven hundred four thousand, nine hundred thirty-nine".