1140148008 has 128 divisors (see below), whose sum is σ = 3349785600. Its totient is φ = 358732800.

The previous prime is 1140148001. The next prime is 1140148057. The reversal of 1140148008 is 8008410411.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1140148001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 272460 + ... + 276612.

It is an arithmetic number, because the mean of its divisors is an integer number (26170200).

Almost surely, 2^1140148008 is an apocalyptic number.

1140148008 is a gapful number since it is divisible by the number (18) 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 1140148008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1674892800).

1140148008 is an abundant number, since it is smaller than the sum of its proper divisors (2209637592).

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

1140148008 is a wasteful number, since it uses less digits than its factorization.

1140148008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4240 (or 4230 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 27.

The square root of 1140148008 is about 33766.0777704489. The cubic root of 1140148008 is about 1044.6891341227.

Adding to 1140148008 its reverse (8008410411), we get a palindrome (9148558419).

The spelling of 1140148008 in words is "one billion, one hundred forty million, one hundred forty-eight thousand, eight".