1304203536 has 30 divisors (see below), whose sum is σ = 3649958910. Its totient is φ = 434734464.

The previous prime is 1304203507. The next prime is 1304203541. The reversal of 1304203536 is 6353024031.

It is a happy number.

1304203536 is a `hidden beast` number, since 1 + 304 + 2 + 0 + 353 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 753831936 + 550371600 = 27456^2 + 23460^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4528341 + ... + 4528628.

It is an arithmetic number, because the mean of its divisors is an integer number (121665297).

Almost surely, 2^1304203536 is an apocalyptic number.

1304203536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1304203536 is an abundant number, since it is smaller than the sum of its proper divisors (2345755374).

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

1304203536 is a wasteful number, since it uses less digits than its factorization.

1304203536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9056983 (or 9056974 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 1304203536 is about 36113.7582646836. The cubic root of 1304203536 is about 1092.5679531555.

Adding to 1304203536 its reverse (6353024031), we get a palindrome (7657227567).

It can be divided in two parts, 130420 and 3536, that added together give a square (133956 = 366²).

The spelling of 1304203536 in words is "one billion, three hundred four million, two hundred three thousand, five hundred thirty-six".