1141332140 has 48 divisors (see below), whose sum is σ = 2591598240. Its totient is φ = 419712000.

The previous prime is 1141332131. The next prime is 1141332169. The reversal of 1141332140 is 412331411.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56516 + ... + 74004.

It is an arithmetic number, because the mean of its divisors is an integer number (53991630).

Almost surely, 2^1141332140 is an apocalyptic number.

1141332140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1141332140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1295799120).

1141332140 is an abundant number, since it is smaller than the sum of its proper divisors (1450266100).

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

1141332140 is a wasteful number, since it uses less digits than its factorization.

1141332140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17762 (or 17760 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1141332140 is about 33783.6075634323. The cubic root of 1141332140 is about 1045.0506725121.

Adding to 1141332140 its reverse (412331411), we get a palindrome (1553663551).

The spelling of 1141332140 in words is "one billion, one hundred forty-one million, three hundred thirty-two thousand, one hundred forty".