1530584138 has 32 divisors (see below), whose sum is σ = 2384557056. Its totient is φ = 736414848.

The previous prime is 1530584131. The next prime is 1530584147. The reversal of 1530584138 is 8314850351.

It is not an unprimeable number, because it can be changed into a prime (1530584131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1725131 + ... + 1726017.

It is an arithmetic number, because the mean of its divisors is an integer number (74517408).

Almost surely, 2^1530584138 is an apocalyptic number.

1530584138 is a deficient number, since it is larger than the sum of its proper divisors (853972918).

1530584138 is a wasteful number, since it uses less digits than its factorization.

1530584138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238.

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 1530584138 is about 39122.6806085677. The cubic root of 1530584138 is about 1152.4419786244.

The spelling of 1530584138 in words is "one billion, five hundred thirty million, five hundred eighty-four thousand, one hundred thirty-eight".