1133242140 has 48 divisors (see below), whose sum is σ = 3225106080. Its totient is φ = 297242880.

The previous prime is 1133242139. The next prime is 1133242141. The reversal of 1133242140 is 412423311.

It is an interprime number because it is at equal distance from previous prime (1133242139) and next prime (1133242141).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133242141) 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, 151155 + ... + 158474.

It is an arithmetic number, because the mean of its divisors is an integer number (67189710).

Almost surely, 2^1133242140 is an apocalyptic number.

1133242140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1133242140 is an abundant number, since it is smaller than the sum of its proper divisors (2091863940).

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

1133242140 is a wasteful number, since it uses less digits than its factorization.

1133242140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309702 (or 309700 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1133242140 is about 33663.6620111360. The cubic root of 1133242140 is about 1042.5756364447.

Adding to 1133242140 its reverse (412423311), we get a palindrome (1545665451).

The spelling of 1133242140 in words is "one billion, one hundred thirty-three million, two hundred forty-two thousand, one hundred forty".