532138272 has 24 divisors (see below), whose sum is σ = 1396863216. Its totient is φ = 177379392.

The previous prime is 532138259. The next prime is 532138283. The reversal of 532138272 is 272831235.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×532138272² = 566342281054291968, which contains 22 as substring.

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, 2771458 + ... + 2771649.

It is an arithmetic number, because the mean of its divisors is an integer number (58202634).

Almost surely, 2^532138272 is an apocalyptic number.

It is an amenable number.

532138272 is an abundant number, since it is smaller than the sum of its proper divisors (864724944).

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

532138272 is a wasteful number, since it uses less digits than its factorization.

532138272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5543120 (or 5543112 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 532138272 is about 23068.1224203445. The cubic root of 532138272 is about 810.3540960587.

The spelling of 532138272 in words is "five hundred thirty-two million, one hundred thirty-eight thousand, two hundred seventy-two".