1304085236 has 12 divisors (see below), whose sum is σ = 2283298080. Its totient is φ = 651714360.

The previous prime is 1304085229. The next prime is 1304085247. The reversal of 1304085236 is 6325804031.

It is a super-3 number, since 3×1304085236³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 73016 + ... + 89103.

It is an arithmetic number, because the mean of its divisors is an integer number (190274840).

Almost surely, 2^1304085236 is an apocalyptic number.

It is an amenable number.

1304085236 is a deficient number, since it is larger than the sum of its proper divisors (979212844).

1304085236 is a wasteful number, since it uses less digits than its factorization.

1304085236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164134 (or 164132 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 1304085236 is about 36112.1203476063. The cubic root of 1304085236 is about 1092.5349177451.

Adding to 1304085236 its reverse (6325804031), we get a palindrome (7629889267).

The spelling of 1304085236 in words is "one billion, three hundred four million, eighty-five thousand, two hundred thirty-six".