1005134320 has 40 divisors (see below), whose sum is σ = 2338649424. Its totient is φ = 401759232.

The previous prime is 1005134243. The next prime is 1005134321. The reversal of 1005134320 is 234315001.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005134321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129592 + ... + 137128.

Almost surely, 2^1005134320 is an apocalyptic number.

1005134320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1005134320 is an abundant number, since it is smaller than the sum of its proper divisors (1333515104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1005134320 is a wasteful number, since it uses less digits than its factorization.

1005134320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9217 (or 9211 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1005134320 is about 31703.8533935545. The cubic root of 1005134320 is about 1001.7085192994.

Adding to 1005134320 its reverse (234315001), we get a palindrome (1239449321).

The spelling of 1005134320 in words is "one billion, five million, one hundred thirty-four thousand, three hundred twenty".