1340803669 has 8 divisors (see below), whose sum is σ = 1377652608. Its totient is φ = 1303986960.

The previous prime is 1340803657. The next prime is 1340803679. The reversal of 1340803669 is 9663080431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1340803669 - 2⁵ = 1340803637 is a prime.

It is a super-2 number, since 2×1340803669² = 3595508957607723122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340803679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93624 + ... + 106990.

It is an arithmetic number, because the mean of its divisors is an integer number (172206576).

Almost surely, 2^1340803669 is an apocalyptic number.

It is an amenable number.

1340803669 is a deficient number, since it is larger than the sum of its proper divisors (36848939).

1340803669 is a wasteful number, since it uses less digits than its factorization.

1340803669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16115.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 1340803669 is about 36616.9860720404. The cubic root of 1340803669 is about 1102.6941313802.

The spelling of 1340803669 in words is "one billion, three hundred forty million, eight hundred three thousand, six hundred sixty-nine".