1143040140 has 96 divisors (see below), whose sum is σ = 3879429120. Its totient is φ = 277099200.

The previous prime is 1143040117. The next prime is 1143040181. The reversal of 1143040140 is 410403411.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 3.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90276 + ... + 102155.

It is an arithmetic number, because the mean of its divisors is an integer number (40410720).

Almost surely, 2^1143040140 is an apocalyptic number.

1143040140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1143040140 is an abundant number, since it is smaller than the sum of its proper divisors (2736388980).

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

1143040140 is a wasteful number, since it uses less digits than its factorization.

1143040140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192460 (or 192452 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1143040140 is about 33808.8766450469. The cubic root of 1143040140 is about 1045.5717177120.

Adding to 1143040140 its reverse (410403411), we get a palindrome (1553443551).

The spelling of 1143040140 in words is "one billion, one hundred forty-three million, forty thousand, one hundred forty".