1405147047 has 8 divisors (see below), whose sum is σ = 1892079600. Its totient is φ = 927489600.

The previous prime is 1405147031. The next prime is 1405147057. The reversal of 1405147047 is 7407415041.

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

It is not a de Polignac number, because 1405147047 - 2⁴ = 1405147031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1405146999 and 1405147017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1405147057) by changing a digit.

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, 2318422 + ... + 2319027.

It is an arithmetic number, because the mean of its divisors is an integer number (236509950).

Almost surely, 2^1405147047 is an apocalyptic number.

1405147047 is a deficient number, since it is larger than the sum of its proper divisors (486932553).

1405147047 is a wasteful number, since it uses less digits than its factorization.

1405147047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4637553.

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 1405147047 is about 37485.2910753005. The cubic root of 1405147047 is about 1120.0582046176.

The spelling of 1405147047 in words is "one billion, four hundred five million, one hundred forty-seven thousand, forty-seven".