1330140 has 48 divisors (see below), whose sum is σ = 4257792. Its totient is φ = 303936.

The previous prime is 1330129. The next prime is 1330157. The reversal of 1330140 is 410331.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1164 + ... + 2003.

It is an arithmetic number, because the mean of its divisors is an integer number (88704).

2^1330140 is an apocalyptic number.

1330140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1330140 is an abundant number, since it is smaller than the sum of its proper divisors (2927652).

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

1330140 is a wasteful number, since it uses less digits than its factorization.

1330140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3186 (or 3184 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1330140 is about 1153.3169555677. The cubic root of 1330140 is about 109.9763034355.

Adding to 1330140 its reverse (410331), we get a palindrome (1740471).

The spelling of 1330140 in words is "one million, three hundred thirty thousand, one hundred forty".