1306555135 has 16 divisors (see below), whose sum is σ = 1659087360. Its totient is φ = 985710880.

The previous prime is 1306555127. The next prime is 1306555193. The reversal of 1306555135 is 5315556031.

It is not a de Polignac number, because 1306555135 - 2³ = 1306555127 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1306555135.

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 15 ways as a sum of consecutive naturals, for example, 71845 + ... + 88174.

It is an arithmetic number, because the mean of its divisors is an integer number (103692960).

Almost surely, 2^1306555135 is an apocalyptic number.

1306555135 is a deficient number, since it is larger than the sum of its proper divisors (352532225).

1306555135 is a wasteful number, since it uses less digits than its factorization.

1306555135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160118.

The product of its (nonzero) digits is 33750, while the sum is 34.

The square root of 1306555135 is about 36146.3018163684. The cubic root of 1306555135 is about 1093.2242257293.

The spelling of 1306555135 in words is "one billion, three hundred six million, five hundred fifty-five thousand, one hundred thirty-five".