1340102404 has 6 divisors (see below), whose sum is σ = 2345179214. Its totient is φ = 670051200.

The previous prime is 1340102327. The next prime is 1340102419. The reversal of 1340102404 is 4042010431.

It can be written as a sum of positive squares in only one way, i.e., 976437504 + 363664900 = 31248^2 + 19070^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167512797 + ... + 167512804.

Almost surely, 2^1340102404 is an apocalyptic number.

It is an amenable number.

1340102404 is a deficient number, since it is larger than the sum of its proper divisors (1005076810).

1340102404 is a wasteful number, since it uses less digits than its factorization.

1340102404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335025605 (or 335025603 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1340102404 is about 36607.4091407737. The cubic root of 1340102404 is about 1102.5018547453.

Adding to 1340102404 its reverse (4042010431), we get a palindrome (5382112835).

The spelling of 1340102404 in words is "one billion, three hundred forty million, one hundred two thousand, four hundred four".