1530135644 has 6 divisors (see below), whose sum is σ = 2677737384. Its totient is φ = 765067820.

The previous prime is 1530135641. The next prime is 1530135653. The reversal of 1530135644 is 4465310351.

It is a self number, because there is not a number n which added to its sum of digits gives 1530135644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530135641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191266952 + ... + 191266959.

It is an arithmetic number, because the mean of its divisors is an integer number (446289564).

Almost surely, 2^1530135644 is an apocalyptic number.

It is an amenable number.

1530135644 is a deficient number, since it is larger than the sum of its proper divisors (1147601740).

1530135644 is a wasteful number, since it uses less digits than its factorization.

1530135644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382533915 (or 382533913 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 1530135644 is about 39116.9482961031. The cubic root of 1530135644 is about 1152.3294042174.

Adding to 1530135644 its reverse (4465310351), we get a palindrome (5995445995).

The spelling of 1530135644 in words is "one billion, five hundred thirty million, one hundred thirty-five thousand, six hundred forty-four".