1140008 has 8 divisors (see below), whose sum is σ = 2137530. Its totient is φ = 570000.

The previous prime is 1139993. The next prime is 1140091. The reversal of 1140008 is 8000411.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1036324 + 103684 = 1018^2 + 322^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1139974 and 1140001.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71243 + ... + 71258.

2^1140008 is an apocalyptic number.

It is an amenable number.

1140008 is a deficient number, since it is larger than the sum of its proper divisors (997522).

1140008 is a wasteful number, since it uses less digits than its factorization.

1140008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142507 (or 142503 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1140008 is about 1067.7115715398. The cubic root of 1140008 is about 104.4646370428.

Adding to 1140008 its reverse (8000411), we get a palindrome (9140419).

The spelling of 1140008 in words is "one million, one hundred forty thousand, eight".