138063480 has 64 divisors (see below), whose sum is σ = 432207360. Its totient is φ = 35215488.

The previous prime is 138063473. The next prime is 138063493. The reversal of 138063480 is 84360831.

138063480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22252 + ... + 27771.

It is an arithmetic number, because the mean of its divisors is an integer number (6753240).

Almost surely, 2^138063480 is an apocalyptic number.

138063480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138063480 is an abundant number, since it is smaller than the sum of its proper divisors (294143880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138063480 is a wasteful number, since it uses less digits than its factorization.

138063480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50060 (or 50056 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 138063480 is about 11750.0417020537. The cubic root of 138063480 is about 516.8441503783.

The spelling of 138063480 in words is "one hundred thirty-eight million, sixty-three thousand, four hundred eighty".