1304126536 has 16 divisors (see below), whose sum is σ = 2445646140. Its totient is φ = 651954240.

The previous prime is 1304126521. The next prime is 1304126557. The reversal of 1304126536 is 6356214031.

It can be written as a sum of positive squares in 2 ways, for example, as 916272900 + 387853636 = 30270^2 + 19694^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1304126498 and 1304126507.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61690 + ... + 80086.

Almost surely, 2^1304126536 is an apocalyptic number.

It is an amenable number.

1304126536 is a deficient number, since it is larger than the sum of its proper divisors (1141519604).

1304126536 is a wasteful number, since it uses less digits than its factorization.

1304126536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27264 (or 27260 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 1304126536 is about 36112.6921732512. The cubic root of 1304126536 is about 1092.5464510444.

The spelling of 1304126536 in words is "one billion, three hundred four million, one hundred twenty-six thousand, five hundred thirty-six".