1530139124 has 12 divisors (see below), whose sum is σ = 2794167264. Its totient is φ = 731805624.

The previous prime is 1530139123. The next prime is 1530139153. The reversal of 1530139124 is 4219310351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530139123) 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, 8315882 + ... + 8316065.

It is an arithmetic number, because the mean of its divisors is an integer number (232847272).

Almost surely, 2^1530139124 is an apocalyptic number.

It is an amenable number.

1530139124 is a deficient number, since it is larger than the sum of its proper divisors (1264028140).

1530139124 is a wasteful number, since it uses less digits than its factorization.

1530139124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16631974 (or 16631972 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 1530139124 is about 39116.9927780754. The cubic root of 1530139124 is about 1152.3302778008.

Adding to 1530139124 its reverse (4219310351), we get a palindrome (5749449475).

The spelling of 1530139124 in words is "one billion, five hundred thirty million, one hundred thirty-nine thousand, one hundred twenty-four".