1345740701 has 2 divisors, whose sum is σ = 1345740702. Its totient is φ = 1345740700.

The previous prime is 1345740691. The next prime is 1345740709. The reversal of 1345740701 is 1070475431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1288738201 + 57002500 = 35899^2 + 7550^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1345740701 is a prime.

It is a super-2 number, since 2×1345740701² = 3622036068655942802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1345740709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672870350 + 672870351.

It is an arithmetic number, because the mean of its divisors is an integer number (672870351).

Almost surely, 2^1345740701 is an apocalyptic number.

It is an amenable number.

1345740701 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345740701 is an equidigital number, since it uses as much as digits as its factorization.

1345740701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 1345740701 is about 36684.3386338094. The cubic root of 1345740701 is about 1104.0458997427.

The spelling of 1345740701 in words is "one billion, three hundred forty-five million, seven hundred forty thousand, seven hundred one".