1133520540 has 48 divisors (see below), whose sum is σ = 3233750688. Its totient is φ = 296568064.

The previous prime is 1133520527. The next prime is 1133520541. The reversal of 1133520540 is 450253311.

It is a self number, because there is not a number n which added to its sum of digits gives 1133520540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133520541) 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, 175047 + ... + 181406.

It is an arithmetic number, because the mean of its divisors is an integer number (67369806).

Almost surely, 2^1133520540 is an apocalyptic number.

1133520540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1133520540 is an abundant number, since it is smaller than the sum of its proper divisors (2100230148).

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

1133520540 is a wasteful number, since it uses less digits than its factorization.

1133520540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356518 (or 356516 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1133520540 is about 33667.7967797122. The cubic root of 1133520540 is about 1042.6610048703.

Adding to 1133520540 its reverse (450253311), we get a palindrome (1583773851).

The spelling of 1133520540 in words is "one billion, one hundred thirty-three million, five hundred twenty thousand, five hundred forty".