1305433134 has 12 divisors (see below), whose sum is σ = 2828438496. Its totient is φ = 435144372.

The previous prime is 1305433121. The next prime is 1305433141. The reversal of 1305433134 is 4313345031.

1305433134 is a `hidden beast` number, since 1 + 305 + 43 + 313 + 4 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1305433098 and 1305433107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36262014 + ... + 36262049.

It is an arithmetic number, because the mean of its divisors is an integer number (235703208).

Almost surely, 2^1305433134 is an apocalyptic number.

1305433134 is an abundant number, since it is smaller than the sum of its proper divisors (1523005362).

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

1305433134 is a wasteful number, since it uses less digits than its factorization.

1305433134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72524071 (or 72524068 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 1305433134 is about 36130.7782091668. The cubic root of 1305433134 is about 1092.9112015734.

Adding to 1305433134 its reverse (4313345031), we get a palindrome (5618778165).

The spelling of 1305433134 in words is "one billion, three hundred five million, four hundred thirty-three thousand, one hundred thirty-four".