1364889705 has 16 divisors (see below), whose sum is σ = 2197737024. Its totient is φ = 723303360.

The previous prime is 1364889677. The next prime is 1364889709. The reversal of 1364889705 is 5079884631.

It is not a de Polignac number, because 1364889705 - 2⁷ = 1364889577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1364889709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 287431 + ... + 292140.

It is an arithmetic number, because the mean of its divisors is an integer number (137358564).

Almost surely, 2^1364889705 is an apocalyptic number.

1364889705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1364889705 is a deficient number, since it is larger than the sum of its proper divisors (832847319).

1364889705 is a wasteful number, since it uses less digits than its factorization.

1364889705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579736.

The product of its (nonzero) digits is 1451520, while the sum is 51.

The square root of 1364889705 is about 36944.4137184500. The cubic root of 1364889705 is about 1109.2578717628.

The spelling of 1364889705 in words is "one billion, three hundred sixty-four million, eight hundred eighty-nine thousand, seven hundred five".