1340103400 has 24 divisors (see below), whose sum is σ = 3115740870. Its totient is φ = 536041280.

The previous prime is 1340103397. The next prime is 1340103419. The reversal of 1340103400 is 43010431.

It can be written as a sum of positive squares in 3 ways, for example, as 1044194596 + 295908804 = 32314^2 + 17202^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3350059 + ... + 3350458.

Almost surely, 2^1340103400 is an apocalyptic number.

1340103400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1340103400 is an abundant number, since it is smaller than the sum of its proper divisors (1775637470).

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

1340103400 is a wasteful number, since it uses less digits than its factorization.

1340103400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6700533 (or 6700524 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1340103400 is about 36607.4227445746. The cubic root of 1340103400 is about 1102.5021278816.

Adding to 1340103400 its reverse (43010431), we get a palindrome (1383113831).

The spelling of 1340103400 in words is "one billion, three hundred forty million, one hundred three thousand, four hundred".