1340000940 has 48 divisors (see below), whose sum is σ = 3753600480. Its totient is φ = 357181440.

The previous prime is 1340000933. The next prime is 1340000989. The reversal of 1340000940 is 490000431.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251100 + ... + 256380.

It is an arithmetic number, because the mean of its divisors is an integer number (78200010).

Almost surely, 2^1340000940 is an apocalyptic number.

1340000940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1340000940 is an abundant number, since it is smaller than the sum of its proper divisors (2413599540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1340000940 is a wasteful number, since it uses less digits than its factorization.

1340000940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9522 (or 9520 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1340000940 is about 36606.0232748656. The cubic root of 1340000940 is about 1102.4740292420.

The spelling of 1340000940 in words is "one billion, three hundred forty million, nine hundred forty", and thus it is an aban number.