1345113277 has 2 divisors, whose sum is σ = 1345113278. Its totient is φ = 1345113276.

The previous prime is 1345113223. The next prime is 1345113313. The reversal of 1345113277 is 7723115431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1291252356 + 53860921 = 35934^2 + 7339^2 .

It is an emirp because it is prime and its reverse (7723115431) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1345113277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1345113377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672556638 + 672556639.

It is an arithmetic number, because the mean of its divisors is an integer number (672556639).

Almost surely, 2^1345113277 is an apocalyptic number.

It is an amenable number.

1345113277 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345113277 is an equidigital number, since it uses as much as digits as its factorization.

1345113277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17640, while the sum is 34.

The square root of 1345113277 is about 36675.7859765813. The cubic root of 1345113277 is about 1103.8742934852.

The spelling of 1345113277 in words is "one billion, three hundred forty-five million, one hundred thirteen thousand, two hundred seventy-seven".