1368454705 has 4 divisors (see below), whose sum is σ = 1642145652. Its totient is φ = 1094763760.

The previous prime is 1368454693. The next prime is 1368454709. The reversal of 1368454705 is 5074548631.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 790340769 + 578113936 = 28113^2 + 24044^2 .

It is not a de Polignac number, because 1368454705 - 2⁹ = 1368454193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1368454709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136845466 + ... + 136845475.

It is an arithmetic number, because the mean of its divisors is an integer number (410536413).

Almost surely, 2^1368454705 is an apocalyptic number.

It is an amenable number.

1368454705 is a deficient number, since it is larger than the sum of its proper divisors (273690947).

1368454705 is an equidigital number, since it uses as much as digits as its factorization.

1368454705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273690946.

The product of its (nonzero) digits is 403200, while the sum is 43.

The square root of 1368454705 is about 36992.6304147191. The cubic root of 1368454705 is about 1110.2228010948. Note that the first 3 decimals are identical.

The spelling of 1368454705 in words is "one billion, three hundred sixty-eight million, four hundred fifty-four thousand, seven hundred five".