1005134449 has 16 divisors (see below), whose sum is σ = 1106973504. Its totient is φ = 905083200.

The previous prime is 1005134381. The next prime is 1005134479. The reversal of 1005134449 is 9444315001.

It is a cyclic number.

It is not a de Polignac number, because 1005134449 - 2⁷ = 1005134321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1005134449.

It is not an unprimeable number, because it can be changed into a prime (1005134479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 582502 + ... + 584224.

It is an arithmetic number, because the mean of its divisors is an integer number (69185844).

Almost surely, 2^1005134449 is an apocalyptic number.

It is an amenable number.

1005134449 is a deficient number, since it is larger than the sum of its proper divisors (101839055).

1005134449 is a wasteful number, since it uses less digits than its factorization.

1005134449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2208.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 1005134449 is about 31703.8554280075. The cubic root of 1005134449 is about 1001.7085621528.

The spelling of 1005134449 in words is "one billion, five million, one hundred thirty-four thousand, four hundred forty-nine".