1340733685 has 8 divisors (see below), whose sum is σ = 1619129016. Its totient is φ = 1065754560.

The previous prime is 1340733677. The next prime is 1340733697. The reversal of 1340733685 is 5863370431.

It can be written as a sum of positive squares in 4 ways, for example, as 734449 + 1339999236 = 857^2 + 36606^2 .

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

It is not a de Polignac number, because 1340733685 - 2³ = 1340733677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 853186 + ... + 854755.

It is an arithmetic number, because the mean of its divisors is an integer number (202391127).

Almost surely, 2^1340733685 is an apocalyptic number.

It is an amenable number.

1340733685 is a deficient number, since it is larger than the sum of its proper divisors (278395331).

1340733685 is a wasteful number, since it uses less digits than its factorization.

1340733685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708103.

The product of its (nonzero) digits is 181440, while the sum is 40.

The square root of 1340733685 is about 36616.0304375010. The cubic root of 1340733685 is about 1102.6749458001.

The spelling of 1340733685 in words is "one billion, three hundred forty million, seven hundred thirty-three thousand, six hundred eighty-five".