1140327540 has 72 divisors (see below), whose sum is σ = 3773454048. Its totient is φ = 276442560.

The previous prime is 1140327509. The next prime is 1140327607. The reversal of 1140327540 is 457230411.

1140327540 is a `hidden beast` number, since 114 + 0 + 3 + 2 + 7 + 540 = 666.

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 23 ways as a sum of consecutive naturals, for example, 285982 + ... + 289941.

It is an arithmetic number, because the mean of its divisors is an integer number (52409084).

Almost surely, 2^1140327540 is an apocalyptic number.

1140327540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1140327540 is an abundant number, since it is smaller than the sum of its proper divisors (2633126508).

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

1140327540 is a wasteful number, since it uses less digits than its factorization.

1140327540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575949 (or 575944 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 1140327540 is about 33768.7361327012. The cubic root of 1140327540 is about 1044.7439648070.

Adding to 1140327540 its reverse (457230411), we get a palindrome (1597557951).

The spelling of 1140327540 in words is "one billion, one hundred forty million, three hundred twenty-seven thousand, five hundred forty".