1303135873 has 8 divisors (see below), whose sum is σ = 1403705408. Its totient is φ = 1202613264.

The previous prime is 1303135853. The next prime is 1303135907. The reversal of 1303135873 is 3785313031.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1303135873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1303135853) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 64186 + ... + 82012.

It is an arithmetic number, because the mean of its divisors is an integer number (175463176).

Almost surely, 2^1303135873 is an apocalyptic number.

1303135873 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1303135873 is a deficient number, since it is larger than the sum of its proper divisors (100569535).

1303135873 is a wasteful number, since it uses less digits than its factorization.

1303135873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23463.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 1303135873 is about 36098.9732956493. The cubic root of 1303135873 is about 1092.2697346640.

The spelling of 1303135873 in words is "one billion, three hundred three million, one hundred thirty-five thousand, eight hundred seventy-three".