1132145440 has 24 divisors (see below), whose sum is σ = 2674693980. Its totient is φ = 452858112.

The previous prime is 1132145401. The next prime is 1132145477. The reversal of 1132145440 is 445412311.

It can be written as a sum of positive squares in 2 ways, for example, as 1111022224 + 21123216 = 33332^2 + 4596^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3537795 + ... + 3538114.

Almost surely, 2^1132145440 is an apocalyptic number.

1132145440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1132145440 is an abundant number, since it is smaller than the sum of its proper divisors (1542548540).

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

1132145440 is an equidigital number, since it uses as much as digits as its factorization.

1132145440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7075924 (or 7075916 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1132145440 is about 33647.3689907547. The cubic root of 1132145440 is about 1042.2392088624.

Adding to 1132145440 its reverse (445412311), we get a palindrome (1577557751).

The spelling of 1132145440 in words is "one billion, one hundred thirty-two million, one hundred forty-five thousand, four hundred forty".