530405136 has 60 divisors (see below), whose sum is σ = 1499135820. Its totient is φ = 175046400.

The previous prime is 530405119. The next prime is 530405143. The reversal of 530405136 is 631504035.

It can be written as a sum of positive squares in 2 ways, for example, as 374654736 + 155750400 = 19356^2 + 12480^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3691 + ... + 32778.

It is an arithmetic number, because the mean of its divisors is an integer number (24985597).

Almost surely, 2^530405136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 530405136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (749567910).

530405136 is an abundant number, since it is smaller than the sum of its proper divisors (968730684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

530405136 is a wasteful number, since it uses less digits than its factorization.

530405136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36584 (or 36575 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 530405136 is about 23030.5261772283. The cubic root of 530405136 is about 809.4733842648.

The spelling of 530405136 in words is "five hundred thirty million, four hundred five thousand, one hundred thirty-six".