1140540520 has 32 divisors (see below), whose sum is σ = 2932819200. Its totient is φ = 391042368.

The previous prime is 1140540517. The next prime is 1140540547. The reversal of 1140540520 is 250450411.

It is a junction number, because it is equal to n+sod(n) for n = 1140540491 and 1140540500.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2036400 + ... + 2036959.

It is an arithmetic number, because the mean of its divisors is an integer number (91650600).

Almost surely, 2^1140540520 is an apocalyptic number.

1140540520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1140540520 is an abundant number, since it is smaller than the sum of its proper divisors (1792278680).

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

1140540520 is a wasteful number, since it uses less digits than its factorization.

1140540520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4073377 (or 4073373 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 1140540520 is about 33771.8894940748. The cubic root of 1140540520 is about 1044.8090033479.

Adding to 1140540520 its reverse (250450411), we get a palindrome (1390990931).

The spelling of 1140540520 in words is "one billion, one hundred forty million, five hundred forty thousand, five hundred twenty".