532138 has 8 divisors (see below), whose sum is σ = 805860. Its totient is φ = 263520.

The previous prime is 532099. The next prime is 532141. The reversal of 532138 is 831235.

It can be written as a sum of positive squares in 2 ways, for example, as 522729 + 9409 = 723^2 + 97^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 5⁴ + 3 + 1 + 2² + 3¹² + 8² .

It is an unprimeable number.

532138 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1003 + ... + 1438.

2⁵³²¹³⁸ is an apocalyptic number.

532138 is a deficient number, since it is larger than the sum of its proper divisors (273722).

532138 is a wasteful number, since it uses less digits than its factorization.

532138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2552.

The product of its digits is 720, while the sum is 22.

The square root of 532138 is about 729.4778954842. The cubic root of 532138 is about 81.0353957989.

The spelling of 532138 in words is "five hundred thirty-two thousand, one hundred thirty-eight".