1305136324 has 6 divisors (see below), whose sum is σ = 2283988574. Its totient is φ = 652568160.

The previous prime is 1305136321. The next prime is 1305136331. The reversal of 1305136324 is 4236315031.

It can be written as a sum of positive squares in only one way, i.e., 1297296324 + 7840000 = 36018^2 + 2800^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1305136292 and 1305136301.

It is not an unprimeable number, because it can be changed into a prime (1305136321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163142037 + ... + 163142044.

Almost surely, 2^1305136324 is an apocalyptic number.

It is an amenable number.

1305136324 is a deficient number, since it is larger than the sum of its proper divisors (978852250).

1305136324 is a wasteful number, since it uses less digits than its factorization.

1305136324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326284085 (or 326284083 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 1305136324 is about 36126.6705357690. The cubic root of 1305136324 is about 1092.8283653220.

The spelling of 1305136324 in words is "one billion, three hundred five million, one hundred thirty-six thousand, three hundred twenty-four".