1305097328 has 10 divisors (see below), whose sum is σ = 2528626104. Its totient is φ = 652548656.

The previous prime is 1305097319. The next prime is 1305097331. The reversal of 1305097328 is 8237905031.

It is a junction number, because it is equal to n+sod(n) for n = 1305097291 and 1305097300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40784276 + ... + 40784307.

Almost surely, 2^1305097328 is an apocalyptic number.

It is an amenable number.

1305097328 is a deficient number, since it is larger than the sum of its proper divisors (1223528776).

1305097328 is an equidigital number, since it uses as much as digits as its factorization.

1305097328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81568591 (or 81568585 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 1305097328 is about 36126.1308196712. The cubic root of 1305097328 is about 1092.8174810543.

The spelling of 1305097328 in words is "one billion, three hundred five million, ninety-seven thousand, three hundred twenty-eight".