1306552045 has 8 divisors (see below), whose sum is σ = 1579142880. Its totient is φ = 1037721360.

The previous prime is 1306552019. The next prime is 1306552063. The reversal of 1306552045 is 5402556031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1306552045 - 2²³ = 1298163437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1306551998 and 1306552016.

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 7 ways as a sum of consecutive naturals, for example, 939271 + ... + 940660.

It is an arithmetic number, because the mean of its divisors is an integer number (197392860).

Almost surely, 2^1306552045 is an apocalyptic number.

It is an amenable number.

1306552045 is a deficient number, since it is larger than the sum of its proper divisors (272590835).

1306552045 is a wasteful number, since it uses less digits than its factorization.

1306552045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1880075.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 1306552045 is about 36146.2590733813. The cubic root of 1306552045 is about 1093.2233639043.

The spelling of 1306552045 in words is "one billion, three hundred six million, five hundred fifty-two thousand, forty-five".