1100533140 has 108 divisors (see below), whose sum is σ = 3883340916. Its totient is φ = 251548416.

The previous prime is 1100533129. The next prime is 1100533163. The reversal of 1100533140 is 413350011.

It can be written as a sum of positive squares in 2 ways, for example, as 559133316 + 541399824 = 23646^2 + 23268^2 .

It is a super-2 number, since 2×1100533140² = 2422346384476519200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 53569 + ... + 71208.

Almost surely, 2^1100533140 is an apocalyptic number.

1100533140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100533140 is an abundant number, since it is smaller than the sum of its proper divisors (2782807776).

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

1100533140 is a wasteful number, since it uses less digits than its factorization.

1100533140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124806 (or 124794 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1100533140 is about 33174.2843178267. The cubic root of 1100533140 is about 1032.4468611932.

Adding to 1100533140 its reverse (413350011), we get a palindrome (1513883151).

The spelling of 1100533140 in words is "one billion, one hundred million, five hundred thirty-three thousand, one hundred forty".