1530140 has 12 divisors (see below), whose sum is σ = 3213336. Its totient is φ = 612048.

The previous prime is 1530131. The next prime is 1530143. The reversal of 1530140 is 410351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530143) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 38234 + ... + 38273.

It is an arithmetic number, because the mean of its divisors is an integer number (267778).

2^1530140 is an apocalyptic number.

1530140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1530140 is an abundant number, since it is smaller than the sum of its proper divisors (1683196).

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

1530140 is a wasteful number, since it uses less digits than its factorization.

1530140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76516 (or 76514 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 1530140 is about 1236.9882780366. The cubic root of 1530140 is about 115.2330497703.

Adding to 1530140 its reverse (410351), we get a palindrome (1940491).

The spelling of 1530140 in words is "one million, five hundred thirty thousand, one hundred forty".