138283532 has 12 divisors (see below), whose sum is σ = 242080776. Its totient is φ = 69117600.

The previous prime is 138283531. The next prime is 138283543. The reversal of 138283532 is 235382831.

138283532 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 138283492 and 138283501.

It is not an unprimeable number, because it can be changed into a prime (138283531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14888 + ... + 22320.

It is an arithmetic number, because the mean of its divisors is an integer number (20173398).

Almost surely, 2^138283532 is an apocalyptic number.

It is an amenable number.

138283532 is a deficient number, since it is larger than the sum of its proper divisors (103797244).

138283532 is a wasteful number, since it uses less digits than its factorization.

138283532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12088 (or 12086 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 138283532 is about 11759.4018555367. The cubic root of 138283532 is about 517.1185947096.

The spelling of 138283532 in words is "one hundred thirty-eight million, two hundred eighty-three thousand, five hundred thirty-two".