138473060 has 48 divisors (see below), whose sum is σ = 319213440. Its totient is φ = 50039040.

The previous prime is 138473033. The next prime is 138473077. The reversal of 138473060 is 60374831.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34856 + ... + 38624.

It is an arithmetic number, because the mean of its divisors is an integer number (6650280).

Almost surely, 2^138473060 is an apocalyptic number.

138473060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 138473060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159606720).

138473060 is an abundant number, since it is smaller than the sum of its proper divisors (180740380).

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

138473060 is a wasteful number, since it uses less digits than its factorization.

138473060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3956 (or 3954 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 138473060 is about 11767.4576693524. The cubic root of 138473060 is about 517.3547368582.

The spelling of 138473060 in words is "one hundred thirty-eight million, four hundred seventy-three thousand, sixty".