138080632 has 8 divisors (see below), whose sum is σ = 258901200. Its totient is φ = 69040312.

The previous prime is 138080627. The next prime is 138080639. The reversal of 138080632 is 236080831.

138080632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 138080594 and 138080603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138080639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8630032 + ... + 8630047.

It is an arithmetic number, because the mean of its divisors is an integer number (32362650).

Almost surely, 2^138080632 is an apocalyptic number.

It is an amenable number.

138080632 is a deficient number, since it is larger than the sum of its proper divisors (120820568).

138080632 is a wasteful number, since it uses less digits than its factorization.

138080632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17260085 (or 17260081 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 138080632 is about 11750.7715491367. The cubic root of 138080632 is about 516.8655524748.

The spelling of 138080632 in words is "one hundred thirty-eight million, eighty thousand, six hundred thirty-two".