1340402204 has 6 divisors (see below), whose sum is σ = 2345703864. Its totient is φ = 670201100.

The previous prime is 1340402191. The next prime is 1340402207. The reversal of 1340402204 is 4022040431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340402207) 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 as a sum of consecutive naturals, namely, 167550272 + ... + 167550279.

It is an arithmetic number, because the mean of its divisors is an integer number (390950644).

Almost surely, 2^1340402204 is an apocalyptic number.

It is an amenable number.

1340402204 is a deficient number, since it is larger than the sum of its proper divisors (1005301660).

1340402204 is a wasteful number, since it uses less digits than its factorization.

1340402204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335100555 (or 335100553 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1340402204 is about 36611.5037112654. The cubic root of 1340402204 is about 1102.5840637392.

Adding to 1340402204 its reverse (4022040431), we get a palindrome (5362442635).

The spelling of 1340402204 in words is "one billion, three hundred forty million, four hundred two thousand, two hundred four".