1340660485 has 8 divisors (see below), whose sum is σ = 1612270080. Its totient is φ = 1070210064.

The previous prime is 1340660483. The next prime is 1340660507. The reversal of 1340660485 is 5840660431.

It is a happy number.

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 1340660485 - 2¹ = 1340660483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340660483) 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, 287245 + ... + 291874.

It is an arithmetic number, because the mean of its divisors is an integer number (201533760).

Almost surely, 2^1340660485 is an apocalyptic number.

It is an amenable number.

1340660485 is a deficient number, since it is larger than the sum of its proper divisors (271609595).

1340660485 is an equidigital number, since it uses as much as digits as its factorization.

1340660485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579587.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 1340660485 is about 36615.0308616557. The cubic root of 1340660485 is about 1102.6548778637.

It can be divided in two parts, 1340 and 660485, that added together give a triangular number (661825 = T₁₁₅₀).

The spelling of 1340660485 in words is "one billion, three hundred forty million, six hundred sixty thousand, four hundred eighty-five".