1131053140 has 24 divisors (see below), whose sum is σ = 2714527872. Its totient is φ = 387789600.

The previous prime is 1131053107. The next prime is 1131053171. The reversal of 1131053140 is 413501311.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4039336 + ... + 4039615.

It is an arithmetic number, because the mean of its divisors is an integer number (113105328).

Almost surely, 2^1131053140 is an apocalyptic number.

1131053140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131053140 is an abundant number, since it is smaller than the sum of its proper divisors (1583474732).

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

1131053140 is a wasteful number, since it uses less digits than its factorization.

1131053140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8078967 (or 8078965 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1131053140 is about 33631.1334926434. The cubic root of 1131053140 is about 1041.9039150130.

Adding to 1131053140 its reverse (413501311), we get a palindrome (1544554451).

The spelling of 1131053140 in words is "one billion, one hundred thirty-one million, fifty-three thousand, one hundred forty".