1365045047 has 4 divisors (see below), whose sum is σ = 1365295560. Its totient is φ = 1364794536.

The previous prime is 1365045043. The next prime is 1365045053. The reversal of 1365045047 is 7405405631.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1365045047 - 2² = 1365045043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1365044998 and 1365045016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1365045043) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 116897 + ... + 128042.

It is an arithmetic number, because the mean of its divisors is an integer number (341323890).

Almost surely, 2^1365045047 is an apocalyptic number.

1365045047 is a deficient number, since it is larger than the sum of its proper divisors (250513).

1365045047 is an equidigital number, since it uses as much as digits as its factorization.

1365045047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250512.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 1365045047 is about 36946.5160333150. The cubic root of 1365045047 is about 1109.2999527698.

The spelling of 1365045047 in words is "one billion, three hundred sixty-five million, forty-five thousand, forty-seven".