1045391733136 has 45 divisors (see below), whose sum is σ = 2033553262881. Its totient is φ = 520612125696.

The previous prime is 1045391733097. The next prime is 1045391733143. The reversal of 1045391733136 is 6313371935401.

The square root of 1045391733136 is 1022444.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1038157210000 + 7234523136 = 1018900^2 + 85056^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1811770480 + ... + 1811771056.

Almost surely, 2^{1045391733136} is an apocalyptic number.

1045391733136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1045391733136 is the 1022444-th square number.

It is an amenable number.

1045391733136 is a deficient number, since it is larger than the sum of its proper divisors (988161529745).

1045391733136 is an frugal number, since it uses more digits than its factorization.

1045391733136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2048 (or 1022 counting only the distinct ones).

The product of its (nonzero) digits is 612360, while the sum is 46.

The spelling of 1045391733136 in words is "one trillion, forty-five billion, three hundred ninety-one million, seven hundred thirty-three thousand, one hundred thirty-six".