1140345132 has 24 divisors (see below), whose sum is σ = 2674597296. Its totient is φ = 378144768.

The previous prime is 1140345121. The next prime is 1140345133. The reversal of 1140345132 is 2315430411.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1140345133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243873 + ... + 248504.

It is an arithmetic number, because the mean of its divisors is an integer number (111441554).

Almost surely, 2^1140345132 is an apocalyptic number.

1140345132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1140345132 is an abundant number, since it is smaller than the sum of its proper divisors (1534252164).

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

1140345132 is a wasteful number, since it uses less digits than its factorization.

1140345132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492577 (or 492575 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1140345132 is about 33768.9966093161. The cubic root of 1140345132 is about 1044.7493372521.

Adding to 1140345132 its reverse (2315430411), we get a palindrome (3455775543).

The spelling of 1140345132 in words is "one billion, one hundred forty million, three hundred forty-five thousand, one hundred thirty-two".