1347083729 has 2 divisors, whose sum is σ = 1347083730. Its totient is φ = 1347083728.

The previous prime is 1347083681. The next prime is 1347083737. The reversal of 1347083729 is 9273807431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 871843729 + 475240000 = 29527^2 + 21800^2 .

It is a cyclic number.

It is not a de Polignac number, because 1347083729 - 2¹² = 1347079633 is a prime.

It is a super-3 number, since 3×1347083729³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1347083729.

It is not a weakly prime, because it can be changed into another prime (1347083789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 673541864 + 673541865.

It is an arithmetic number, because the mean of its divisors is an integer number (673541865).

Almost surely, 2^1347083729 is an apocalyptic number.

It is an amenable number.

1347083729 is a deficient number, since it is larger than the sum of its proper divisors (1).

1347083729 is an equidigital number, since it uses as much as digits as its factorization.

1347083729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 1347083729 is about 36702.6392647722. The cubic root of 1347083729 is about 1104.4130510991.

The spelling of 1347083729 in words is "one billion, three hundred forty-seven million, eighty-three thousand, seven hundred twenty-nine".