1530404133 has 4 divisors (see below), whose sum is σ = 2040538848. Its totient is φ = 1020269420.

The previous prime is 1530404131. The next prime is 1530404137. The reversal of 1530404133 is 3314040351.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1530404133 - 2¹ = 1530404131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530404131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255067353 + ... + 255067358.

It is an arithmetic number, because the mean of its divisors is an integer number (510134712).

Almost surely, 2^1530404133 is an apocalyptic number.

It is an amenable number.

1530404133 is a deficient number, since it is larger than the sum of its proper divisors (510134715).

1530404133 is an equidigital number, since it uses as much as digits as its factorization.

1530404133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510134714.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 1530404133 is about 39120.3800211603. The cubic root of 1530404133 is about 1152.3967990432.

Adding to 1530404133 its reverse (3314040351), we get a palindrome (4844444484).

The spelling of 1530404133 in words is "one billion, five hundred thirty million, four hundred four thousand, one hundred thirty-three".