1345009079 has 2 divisors, whose sum is σ = 1345009080. Its totient is φ = 1345009078.

The previous prime is 1345009073. The next prime is 1345009117. The reversal of 1345009079 is 9709005431.

It is a happy number.

It is an a-pointer prime, because the next prime (1345009117) can be obtained adding 1345009079 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1345009079 - 2²⁸ = 1076573623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1345009073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672504539 + 672504540.

It is an arithmetic number, because the mean of its divisors is an integer number (672504540).

Almost surely, 2^1345009079 is an apocalyptic number.

1345009079 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345009079 is an equidigital number, since it uses as much as digits as its factorization.

1345009079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 1345009079 is about 36674.3654205495. The cubic root of 1345009079 is about 1103.8457892034.

The spelling of 1345009079 in words is "one billion, three hundred forty-five million, nine thousand, seventy-nine".