1530140468 has 12 divisors (see below), whose sum is σ = 2705352132. Its totient is φ = 757182720.

The previous prime is 1530140453. The next prime is 1530140473. The reversal of 1530140468 is 8640410351.

It can be written as a sum of positive squares in 2 ways, for example, as 397683364 + 1132457104 = 19942^2 + 33652^2 .

It is a super-2 number, since 2×1530140468² = 4682659703622518048, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1971443 + ... + 1972218.

It is an arithmetic number, because the mean of its divisors is an integer number (225446011).

Almost surely, 2^1530140468 is an apocalyptic number.

It is an amenable number.

1530140468 is a deficient number, since it is larger than the sum of its proper divisors (1175211664).

1530140468 is a wasteful number, since it uses less digits than its factorization.

1530140468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3943762 (or 3943760 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 1530140468 is about 39117.0099573063. The cubic root of 1530140468 is about 1152.3306151844.

The spelling of 1530140468 in words is "one billion, five hundred thirty million, one hundred forty thousand, four hundred sixty-eight".