1141340144 has 120 divisors (see below), whose sum is σ = 2681542656. Its totient is φ = 468720000.

The previous prime is 1141340141. The next prime is 1141340171. The reversal of 1141340144 is 4410431411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141340141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3669749 + ... + 3670059.

Almost surely, 2^1141340144 is an apocalyptic number.

1141340144 is a gapful number since it is divisible by the number (14) 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 1141340144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1340771328).

1141340144 is an abundant number, since it is smaller than the sum of its proper divisors (1540202512).

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

1141340144 is a wasteful number, since it uses less digits than its factorization.

1141340144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515 (or 502 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 1141340144 is about 33783.7260230425. The cubic root of 1141340144 is about 1045.0531154370.

Adding to 1141340144 its reverse (4410431411), we get a palindrome (5551771555).

The spelling of 1141340144 in words is "one billion, one hundred forty-one million, three hundred forty thousand, one hundred forty-four".