1133542040 has 32 divisors (see below), whose sum is σ = 2556398880. Its totient is φ = 452362752.

The previous prime is 1133542037. The next prime is 1133542061. The reversal of 1133542040 is 402453311.

It is a junction number, because it is equal to n+sod(n) for n = 1133541997 and 1133542015.

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 7 ways as a sum of consecutive naturals, for example, 15404 + ... + 50043.

It is an arithmetic number, because the mean of its divisors is an integer number (79887465).

Almost surely, 2^1133542040 is an apocalyptic number.

1133542040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1133542040 is an abundant number, since it is smaller than the sum of its proper divisors (1422856840).

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

1133542040 is a wasteful number, since it uses less digits than its factorization.

1133542040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65891 (or 65887 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1133542040 is about 33668.1160744108. The cubic root of 1133542040 is about 1042.6675970372.

Adding to 1133542040 its reverse (402453311), we get a palindrome (1535995351).

The spelling of 1133542040 in words is "one billion, one hundred thirty-three million, five hundred forty-two thousand, forty".