1352128705 has 16 divisors (see below), whose sum is σ = 1676219904. Its totient is φ = 1045981440.

The previous prime is 1352128699. The next prime is 1352128721. The reversal of 1352128705 is 5078212531.

It is not a de Polignac number, because 1352128705 - 2³ = 1352128697 is a prime.

It is a Duffinian number.

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, 255769 + ... + 261001.

It is an arithmetic number, because the mean of its divisors is an integer number (104763744).

Almost surely, 2^1352128705 is an apocalyptic number.

It is an amenable number.

1352128705 is a deficient number, since it is larger than the sum of its proper divisors (324091199).

1352128705 is a wasteful number, since it uses less digits than its factorization.

1352128705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6936.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 1352128705 is about 36771.3027373249. The cubic root of 1352128705 is about 1105.7900494411.

The spelling of 1352128705 in words is "one billion, three hundred fifty-two million, one hundred twenty-eight thousand, seven hundred five".