1347164729 has 2 divisors, whose sum is σ = 1347164730. Its totient is φ = 1347164728.

The previous prime is 1347164699. The next prime is 1347164747. The reversal of 1347164729 is 9274617431.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1279135225 + 68029504 = 35765^2 + 8248^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1347164729 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1347164729.

It is not a weakly prime, because it can be changed into another prime (1347164629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 673582364 + 673582365.

It is an arithmetic number, because the mean of its divisors is an integer number (673582365).

Almost surely, 2^1347164729 is an apocalyptic number.

It is an amenable number.

1347164729 is a deficient number, since it is larger than the sum of its proper divisors (1).

1347164729 is an equidigital number, since it uses as much as digits as its factorization.

1347164729 is an evil number, because the sum of its binary digits is even.

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

The square root of 1347164729 is about 36703.7427110642. The cubic root of 1347164729 is about 1104.4351867348.

The spelling of 1347164729 in words is "one billion, three hundred forty-seven million, one hundred sixty-four thousand, seven hundred twenty-nine".