1354376785 has 4 divisors (see below), whose sum is σ = 1625252148. Its totient is φ = 1083501424.

The previous prime is 1354376747. The next prime is 1354376797. The reversal of 1354376785 is 5876734531.

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 193543744 + 1160833041 = 13912^2 + 34071^2 .

It is a cyclic number.

It is not a de Polignac number, because 1354376785 - 2⁹ = 1354376273 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 135437674 + ... + 135437683.

It is an arithmetic number, because the mean of its divisors is an integer number (406313037).

Almost surely, 2^1354376785 is an apocalyptic number.

It is an amenable number.

1354376785 is a deficient number, since it is larger than the sum of its proper divisors (270875363).

1354376785 is an equidigital number, since it uses as much as digits as its factorization.

1354376785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270875362.

The product of its digits is 2116800, while the sum is 49.

The square root of 1354376785 is about 36801.8584449210. The cubic root of 1354376785 is about 1106.4025473611.

The spelling of 1354376785 in words is "one billion, three hundred fifty-four million, three hundred seventy-six thousand, seven hundred eighty-five".