1313421004 has 24 divisors (see below), whose sum is σ = 2628297728. Its totient is φ = 562582800.

The previous prime is 1313420959. The next prime is 1313421029. The reversal of 1313421004 is 4001243131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42607 + ... + 66649.

Almost surely, 2^1313421004 is an apocalyptic number.

1313421004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1313421004 is an abundant number, since it is smaller than the sum of its proper divisors (1314876724).

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

1313421004 is a wasteful number, since it uses less digits than its factorization.

1313421004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26005 (or 26003 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1313421004 is about 36241.1506991707. The cubic root of 1313421004 is about 1095.1358238000.

Adding to 1313421004 its reverse (4001243131), we get a palindrome (5314664135).

The spelling of 1313421004 in words is "one billion, three hundred thirteen million, four hundred twenty-one thousand, four".