1005465133 has 4 divisors (see below), whose sum is σ = 1009780668. Its totient is φ = 1001149600.

The previous prime is 1005465127. The next prime is 1005465157. The reversal of 1005465133 is 3315645001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3315645001 = 389 ⋅8523509.

It can be written as a sum of positive squares in 2 ways, for example, as 626851369 + 378613764 = 25037^2 + 19458^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1005465133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005465233) 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, 2157418 + ... + 2157883.

It is an arithmetic number, because the mean of its divisors is an integer number (252445167).

Almost surely, 2^1005465133 is an apocalyptic number.

It is an amenable number.

1005465133 is a deficient number, since it is larger than the sum of its proper divisors (4315535).

1005465133 is an equidigital number, since it uses as much as digits as its factorization.

1005465133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4315534.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 1005465133 is about 31709.0702008116. The cubic root of 1005465133 is about 1001.8184024084.

The spelling of 1005465133 in words is "one billion, five million, four hundred sixty-five thousand, one hundred thirty-three".