1340513204 has 12 divisors (see below), whose sum is σ = 2403115428. Its totient is φ = 653908800.

The previous prime is 1340513203. The next prime is 1340513243. The reversal of 1340513204 is 4023150431.

It can be written as a sum of positive squares in 2 ways, for example, as 128777104 + 1211736100 = 11348^2 + 34810^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1340513204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340513203) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4086767 + ... + 4087094.

It is an arithmetic number, because the mean of its divisors is an integer number (200259619).

Almost surely, 2^1340513204 is an apocalyptic number.

It is an amenable number.

1340513204 is a deficient number, since it is larger than the sum of its proper divisors (1062602224).

1340513204 is a wasteful number, since it uses less digits than its factorization.

1340513204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8173906 (or 8173904 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1340513204 is about 36613.0195968593. The cubic root of 1340513204 is about 1102.6144982492.

Adding to 1340513204 its reverse (4023150431), we get a palindrome (5363663635).

The spelling of 1340513204 in words is "one billion, three hundred forty million, five hundred thirteen thousand, two hundred four".