1345349029 has 2 divisors, whose sum is σ = 1345349030. Its totient is φ = 1345349028.

The previous prime is 1345349021. The next prime is 1345349053. The reversal of 1345349029 is 9209435431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1198890625 + 146458404 = 34625^2 + 12102^2 .

It is a cyclic number.

It is not a de Polignac number, because 1345349029 - 2³ = 1345349021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1345348982 and 1345349000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1345349021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672674514 + 672674515.

It is an arithmetic number, because the mean of its divisors is an integer number (672674515).

Almost surely, 2^1345349029 is an apocalyptic number.

It is an amenable number.

1345349029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345349029 is an equidigital number, since it uses as much as digits as its factorization.

1345349029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 1345349029 is about 36678.9998364187. Note that the first 3 decimals coincide. The cubic root of 1345349029 is about 1103.9387800913.

The spelling of 1345349029 in words is "one billion, three hundred forty-five million, three hundred forty-nine thousand, twenty-nine".