1305406134 has 48 divisors (see below), whose sum is σ = 3049890480. Its totient is φ = 402174720.

The previous prime is 1305406121. The next prime is 1305406163. The reversal of 1305406134 is 4316045031.

1305406134 is a `hidden beast` number, since 1 + 3 + 0 + 5 + 40 + 613 + 4 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1305406098 and 1305406107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32527 + ... + 60570.

It is an arithmetic number, because the mean of its divisors is an integer number (63539385).

Almost surely, 2^1305406134 is an apocalyptic number.

1305406134 is an abundant number, since it is smaller than the sum of its proper divisors (1744484346).

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

1305406134 is a wasteful number, since it uses less digits than its factorization.

1305406134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93165 (or 93162 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 1305406134 is about 36130.4045645769. The cubic root of 1305406134 is about 1092.9036667036.

The spelling of 1305406134 in words is "one billion, three hundred five million, four hundred six thousand, one hundred thirty-four".