138433369532 has 12 divisors (see below), whose sum is σ = 242284682640. Its totient is φ = 69209174496.

The previous prime is 138433369513. The next prime is 138433369553. The reversal of 138433369532 is 235963334831.

It is a congruent number.

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, 1835993 + ... + 1909904.

It is an arithmetic number, because the mean of its divisors is an integer number (20190390220).

Almost surely, 2^138433369532 is an apocalyptic number.

It is an amenable number.

138433369532 is a deficient number, since it is larger than the sum of its proper divisors (103851313108).

138433369532 is a wasteful number, since it uses less digits than its factorization.

138433369532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3755140 (or 3755138 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 50.

The spelling of 138433369532 in words is "one hundred thirty-eight billion, four hundred thirty-three million, three hundred sixty-nine thousand, five hundred thirty-two".