32139532 has 24 divisors (see below), whose sum is σ = 58015664. Its totient is φ = 15567552.

The previous prime is 32139473. The next prime is 32139539. The reversal of 32139532 is 23593123.

It is a self number, because there is not a number n which added to its sum of digits gives 32139532.

It is not an unprimeable number, because it can be changed into a prime (32139539) 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, 58483 + ... + 59029.

Almost surely, 2^32139532 is an apocalyptic number.

It is an amenable number.

32139532 is a deficient number, since it is larger than the sum of its proper divisors (25876132).

32139532 is a wasteful number, since it uses less digits than its factorization.

32139532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985 (or 983 counting only the distinct ones).

The product of its digits is 4860, while the sum is 28.

The square root of 32139532 is about 5669.1738375181. The cubic root of 32139532 is about 317.9409855811.

The spelling of 32139532 in words is "thirty-two million, one hundred thirty-nine thousand, five hundred thirty-two".