1345342705 has 16 divisors (see below), whose sum is σ = 1845642240. Its totient is φ = 922220352.

The previous prime is 1345342697. The next prime is 1345342727. The reversal of 1345342705 is 5072435431.

It is a cyclic number.

It is not a de Polignac number, because 1345342705 - 2³ = 1345342697 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185691 + ... + 192799.

It is an arithmetic number, because the mean of its divisors is an integer number (115352640).

Almost surely, 2^1345342705 is an apocalyptic number.

It is an amenable number.

1345342705 is a deficient number, since it is larger than the sum of its proper divisors (500299535).

1345342705 is an equidigital number, since it uses as much as digits as its factorization.

1345342705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12528.

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 1345342705 is about 36678.9136289504. The cubic root of 1345342705 is about 1103.9370503494.

The spelling of 1345342705 in words is "one billion, three hundred forty-five million, three hundred forty-two thousand, seven hundred five".