1304138824 has 32 divisors (see below), whose sum is σ = 2613824640. Its totient is φ = 608502400.

The previous prime is 1304138813. The next prime is 1304138837. The reversal of 1304138824 is 4288314031.

It is a self number, because there is not a number n which added to its sum of digits gives 1304138824.

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, 78892 + ... + 93979.

It is an arithmetic number, because the mean of its divisors is an integer number (81682020).

Almost surely, 2^1304138824 is an apocalyptic number.

It is an amenable number.

1304138824 is an abundant number, since it is smaller than the sum of its proper divisors (1309685816).

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

1304138824 is a wasteful number, since it uses less digits than its factorization.

1304138824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172941 (or 172937 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 1304138824 is about 36112.8623069399. The cubic root of 1304138824 is about 1092.5498825030.

The spelling of 1304138824 in words is "one billion, three hundred four million, one hundred thirty-eight thousand, eight hundred twenty-four".