5138532 has 72 divisors (see below), whose sum is σ = 15513120. Its totient is φ = 1466640.

The previous prime is 5138519. The next prime is 5138533. The reversal of 5138532 is 2358315.

It is a super-2 number, since 2×5138532² = 52809022230048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 5138496 and 5138505.

It is not an unprimeable number, because it can be changed into a prime (5138533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4807 + ... + 5777.

It is an arithmetic number, because the mean of its divisors is an integer number (215460).

Almost surely, 2^5138532 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 5138532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7756560).

5138532 is an abundant number, since it is smaller than the sum of its proper divisors (10374588).

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

5138532 is a wasteful number, since it uses less digits than its factorization.

5138532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998 (or 983 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 5138532 is about 2266.8330331103. The cubic root of 5138532 is about 172.5624726463.

It can be divided in two parts, 513 and 8532, that added together give a triangular number (9045 = T₁₃₄).

The spelling of 5138532 in words is "five million, one hundred thirty-eight thousand, five hundred thirty-two".