1340304100 has 18 divisors (see below), whose sum is σ = 2908460114. Its totient is φ = 536121600.

The previous prime is 1340304073. The next prime is 1340304101. The reversal of 1340304100 is 14030431.

It can be written as a sum of positive squares in 3 ways, for example, as 138156516 + 1202147584 = 11754^2 + 34672^2 .

It is not an unprimeable number, because it can be changed into a prime (1340304101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6701421 + ... + 6701620.

Almost surely, 2^1340304100 is an apocalyptic number.

1340304100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1340304100 is an abundant number, since it is smaller than the sum of its proper divisors (1568156014).

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

1340304100 is a wasteful number, since it uses less digits than its factorization.

1340304100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13403055 (or 13403048 counting only the distinct ones).

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

The square root of 1340304100 is about 36610.1638892808. The cubic root of 1340304100 is about 1102.5571637173.

Adding to 1340304100 its reverse (14030431), we get a palindrome (1354334531).

The spelling of 1340304100 in words is "one billion, three hundred forty million, three hundred four thousand, one hundred".