1530137232 has 120 divisors (see below), whose sum is σ = 4675254584. Its totient is φ = 464320512.

The previous prime is 1530137227. The next prime is 1530137233. The reversal of 1530137232 is 2327310351.

It can be written as a sum of positive squares in 4 ways, for example, as 11943936 + 1518193296 = 3456^2 + 38964^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1530137196 and 1530137205.

It is not an unprimeable number, because it can be changed into a prime (1530137233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 131058 + ... + 142254.

Almost surely, 2^1530137232 is an apocalyptic number.

1530137232 is a gapful number since it is divisible by the number (12) 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 1530137232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2337627292).

1530137232 is an abundant number, since it is smaller than the sum of its proper divisors (3145117352).

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

1530137232 is a wasteful number, since it uses less digits than its factorization.

1530137232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11297 (or 11288 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 1530137232 is about 39116.9685942047. The cubic root of 1530137232 is about 1152.3298028527.

Adding to 1530137232 its reverse (2327310351), we get a palindrome (3857447583).

The spelling of 1530137232 in words is "one billion, five hundred thirty million, one hundred thirty-seven thousand, two hundred thirty-two".