1306057545 has 48 divisors (see below), whose sum is σ = 2443476672. Its totient is φ = 641531520.

The previous prime is 1306057537. The next prime is 1306057607. The reversal of 1306057545 is 5457506031.

1306057545 is a `hidden beast` number, since 1 + 3 + 0 + 60 + 57 + 545 = 666.

It is not a de Polignac number, because 1306057545 - 2³ = 1306057537 is a prime.

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 47 ways as a sum of consecutive naturals, for example, 284962 + ... + 289508.

It is an arithmetic number, because the mean of its divisors is an integer number (50905764).

Almost surely, 2^1306057545 is an apocalyptic number.

1306057545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1306057545 is a deficient number, since it is larger than the sum of its proper divisors (1137419127).

1306057545 is a wasteful number, since it uses less digits than its factorization.

1306057545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5062 (or 5059 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The square root of 1306057545 is about 36139.4181607839. The cubic root of 1306057545 is about 1093.0854265061.

The spelling of 1306057545 in words is "one billion, three hundred six million, fifty-seven thousand, five hundred forty-five".