1047447928136 has 16 divisors (see below), whose sum is σ = 2079492210540. Its totient is φ = 492916672000.

The previous prime is 1047447928129. The next prime is 1047447928147. The reversal of 1047447928136 is 6318297447401.

It can be written as a sum of positive squares in 2 ways, for example, as 903811476100 + 143636452036 = 950690^2 + 378994^2 .

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, 3850911365 + ... + 3850911636.

Almost surely, 2^{1047447928136} is an apocalyptic number.

It is an amenable number.

1047447928136 is a deficient number, since it is larger than the sum of its proper divisors (1032044282404).

1047447928136 is a wasteful number, since it uses less digits than its factorization.

1047447928136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7701823024 (or 7701823020 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 56.

The spelling of 1047447928136 in words is "one trillion, forty-seven billion, four hundred forty-seven million, nine hundred twenty-eight thousand, one hundred thirty-six".