1340625204 has 18 divisors (see below), whose sum is σ = 3388802690. Its totient is φ = 446875056.

The previous prime is 1340625203. The next prime is 1340625211. The reversal of 1340625204 is 4025260431.

1340625204 is a `hidden beast` number, since 1 + 3 + 406 + 252 + 0 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1321177104 + 19448100 = 36348^2 + 4410^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340625203) 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, 18619759 + ... + 18619830.

Almost surely, 2^1340625204 is an apocalyptic number.

It is an amenable number.

1340625204 is an abundant number, since it is smaller than the sum of its proper divisors (2048177486).

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

1340625204 is a wasteful number, since it uses less digits than its factorization.

1340625204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37239599 (or 37239594 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1340625204 is about 36614.5490754700. The cubic root of 1340625204 is about 1102.6452052412.

Adding to 1340625204 its reverse (4025260431), we get a palindrome (5365885635).

The spelling of 1340625204 in words is "one billion, three hundred forty million, six hundred twenty-five thousand, two hundred four".