1005134091 has 16 divisors (see below), whose sum is σ = 1451819040. Its totient is φ = 618540000.

The previous prime is 1005134077. The next prime is 1005134099. The reversal of 1005134091 is 1904315001.

1005134091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1005134091 - 2⁵ = 1005134059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1005134099) 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, 69660 + ... + 82841.

It is an arithmetic number, because the mean of its divisors is an integer number (90738690).

Almost surely, 2^1005134091 is an apocalyptic number.

1005134091 is a deficient number, since it is larger than the sum of its proper divisors (446684949).

1005134091 is an equidigital number, since it uses as much as digits as its factorization.

1005134091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152543 (or 152517 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 1005134091 is about 31703.8497820060. The cubic root of 1005134091 is about 1001.7084432262.

Adding to 1005134091 its reverse (1904315001), we get a palindrome (2909449092).

The spelling of 1005134091 in words is "one billion, five million, one hundred thirty-four thousand, ninety-one".