1340380900 has 36 divisors (see below), whose sum is σ = 2914657200. Its totient is φ = 535040800.

The previous prime is 1340380879. The next prime is 1340380901. The reversal of 1340380900 is 90830431.

It is a zygodrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (1340380901) 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 11 ways as a sum of consecutive naturals, for example, 35451 + ... + 62749.

It is an arithmetic number, because the mean of its divisors is an integer number (80962700).

Almost surely, 2^1340380900 is an apocalyptic number.

1340380900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1340380900 is an abundant number, since it is smaller than the sum of its proper divisors (1574276300).

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

1340380900 is a wasteful number, since it uses less digits than its factorization.

1340380900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27804 (or 27797 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 1340380900 is about 36611.2127633052. The cubic root of 1340380900 is about 1102.5782223146.

The spelling of 1340380900 in words is "one billion, three hundred forty million, three hundred eighty thousand, nine hundred".