532138512 has 40 divisors (see below), whose sum is σ = 1403945856. Its totient is φ = 173604736.

The previous prime is 532138507. The next prime is 532138513. The reversal of 532138512 is 215831235.

It is a self number, because there is not a number n which added to its sum of digits gives 532138512.

It is not an unprimeable number, because it can be changed into a prime (532138513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115683 + ... + 120194.

Almost surely, 2^532138512 is an apocalyptic number.

It is an amenable number.

532138512 is an abundant number, since it is smaller than the sum of its proper divisors (871807344).

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

532138512 is a wasteful number, since it uses less digits than its factorization.

532138512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235935 (or 235929 counting only the distinct ones).

The product of its digits is 7200, while the sum is 30.

The square root of 532138512 is about 23068.1276223277. The cubic root of 532138512 is about 810.3542178848.

Adding to 532138512 its reverse (215831235), we get a palindrome (747969747).

The spelling of 532138512 in words is "five hundred thirty-two million, one hundred thirty-eight thousand, five hundred twelve".