1340509484 has 12 divisors (see below), whose sum is σ = 2349123504. Its totient is φ = 669331344.

The previous prime is 1340509453. The next prime is 1340509487. The reversal of 1340509484 is 4849050431.

It is not an unprimeable number, because it can be changed into a prime (1340509487) 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 3 ways as a sum of consecutive naturals, for example, 227579 + ... + 233394.

It is an arithmetic number, because the mean of its divisors is an integer number (195760292).

Almost surely, 2^1340509484 is an apocalyptic number.

It is an amenable number.

1340509484 is a deficient number, since it is larger than the sum of its proper divisors (1008614020).

1340509484 is a wasteful number, since it uses less digits than its factorization.

1340509484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461704 (or 461702 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 1340509484 is about 36612.9687952234. The cubic root of 1340509484 is about 1102.6134783091.

The spelling of 1340509484 in words is "one billion, three hundred forty million, five hundred nine thousand, four hundred eighty-four".