1140006530 has 64 divisors (see below), whose sum is σ = 2318803200. Its totient is φ = 400592640.

The previous prime is 1140006503. The next prime is 1140006533. The reversal of 1140006530 is 356000411.

It is a super-2 number, since 2×1140006530² = 2599229776885281800, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1140006533) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 265541 + ... + 269799.

It is an arithmetic number, because the mean of its divisors is an integer number (36231300).

Almost surely, 2^1140006530 is an apocalyptic number.

1140006530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1140006530 is an abundant number, since it is smaller than the sum of its proper divisors (1178796670).

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

1140006530 is a wasteful number, since it uses less digits than its factorization.

1140006530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4379.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1140006530 is about 33763.9827330841. The cubic root of 1140006530 is about 1044.6459214164.

Adding to 1140006530 its reverse (356000411), we get a palindrome (1496006941).

The spelling of 1140006530 in words is "one billion, one hundred forty million, six thousand, five hundred thirty".