1340780333 has 8 divisors (see below), whose sum is σ = 1354383360. Its totient is φ = 1327201200.

The previous prime is 1340780323. The next prime is 1340780351. The reversal of 1340780333 is 3330870431.

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 1340780333 - 2¹⁰ = 1340779309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1340780333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340780303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120116 + ... + 130802.

It is an arithmetic number, because the mean of its divisors is an integer number (169297920).

Almost surely, 2^1340780333 is an apocalyptic number.

It is an amenable number.

1340780333 is a deficient number, since it is larger than the sum of its proper divisors (13603027).

1340780333 is a wasteful number, since it uses less digits than its factorization.

1340780333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11947.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 1340780333 is about 36616.6674207252. The cubic root of 1340780333 is about 1102.6877340679.

The spelling of 1340780333 in words is "one billion, three hundred forty million, seven hundred eighty thousand, three hundred thirty-three".