183138532 has 24 divisors (see below), whose sum is σ = 329749056. Its totient is φ = 88958688.

The previous prime is 183138521. The next prime is 183138539. The reversal of 183138532 is 235831381.

It is not an unprimeable number, because it can be changed into a prime (183138539) 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, 17643 + ... + 26029.

It is an arithmetic number, because the mean of its divisors is an integer number (13739544).

Almost surely, 2^183138532 is an apocalyptic number.

It is an amenable number.

183138532 is a deficient number, since it is larger than the sum of its proper divisors (146610524).

183138532 is a wasteful number, since it uses less digits than its factorization.

183138532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8547 (or 8545 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 183138532 is about 13532.8685798688. The cubic root of 183138532 is about 567.8843619977.

The spelling of 183138532 in words is "one hundred eighty-three million, one hundred thirty-eight thousand, five hundred thirty-two".