1349713785 has 16 divisors (see below), whose sum is σ = 2468048256. Its totient is φ = 617011968.

The previous prime is 1349713777. The next prime is 1349713789. The reversal of 1349713785 is 5873179431.

It is not a de Polignac number, because 1349713785 - 2³ = 1349713777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1349713789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6427104 + ... + 6427313.

It is an arithmetic number, because the mean of its divisors is an integer number (154253016).

Almost surely, 2^1349713785 is an apocalyptic number.

1349713785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1349713785 is a deficient number, since it is larger than the sum of its proper divisors (1118334471).

1349713785 is a wasteful number, since it uses less digits than its factorization.

1349713785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12854432.

The product of its digits is 635040, while the sum is 48.

The square root of 1349713785 is about 36738.4510424705. The cubic root of 1349713785 is about 1105.1313385106.

The spelling of 1349713785 in words is "one billion, three hundred forty-nine million, seven hundred thirteen thousand, seven hundred eighty-five".