1306553042 has 8 divisors (see below), whose sum is σ = 2045039616. Its totient is φ = 624873172.

The previous prime is 1306553033. The next prime is 1306553077. The reversal of 1306553042 is 2403556031.

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

It is a junction number, because it is equal to n+sod(n) for n = 1306552996 and 1306553014.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14201618 + ... + 14201709.

It is an arithmetic number, because the mean of its divisors is an integer number (255629952).

Almost surely, 2^1306553042 is an apocalyptic number.

1306553042 is a deficient number, since it is larger than the sum of its proper divisors (738486574).

1306553042 is a wasteful number, since it uses less digits than its factorization.

1306553042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28403352.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 1306553042 is about 36146.2728645707. The cubic root of 1306553042 is about 1093.2236419755.

The spelling of 1306553042 in words is "one billion, three hundred six million, five hundred fifty-three thousand, forty-two".