1530806140 has 24 divisors (see below), whose sum is σ = 3403793232. Its totient is φ = 576303360.

The previous prime is 1530806119. The next prime is 1530806161. The reversal of 1530806140 is 416080351.

It is an interprime number because it is at equal distance from previous prime (1530806119) and next prime (1530806161).

It is a junction number, because it is equal to n+sod(n) for n = 1530806099 and 1530806108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2250846 + ... + 2251525.

It is an arithmetic number, because the mean of its divisors is an integer number (141824718).

Almost surely, 2^1530806140 is an apocalyptic number.

1530806140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1530806140 is an abundant number, since it is smaller than the sum of its proper divisors (1872987092).

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

1530806140 is a wasteful number, since it uses less digits than its factorization.

1530806140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4502397 (or 4502395 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1530806140 is about 39125.5177601524. The cubic root of 1530806140 is about 1152.4976941840.

Adding to 1530806140 its reverse (416080351), we get a palindrome (1946886491).

The spelling of 1530806140 in words is "one billion, five hundred thirty million, eight hundred six thousand, one hundred forty".