138066024 has 64 divisors (see below), whose sum is σ = 355904640. Its totient is φ = 44605440.

The previous prime is 138066011. The next prime is 138066043. The reversal of 138066024 is 420660831.

It is a junction number, because it is equal to n+sod(n) for n = 138065982 and 138066000.

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, 189549 + ... + 190275.

It is an arithmetic number, because the mean of its divisors is an integer number (5561010).

Almost surely, 2^138066024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 138066024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177952320).

138066024 is an abundant number, since it is smaller than the sum of its proper divisors (217838616).

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

138066024 is a wasteful number, since it uses less digits than its factorization.

138066024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970 (or 966 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 138066024 is about 11750.1499564899. The cubic root of 138066024 is about 516.8473248684.

The spelling of 138066024 in words is "one hundred thirty-eight million, sixty-six thousand, twenty-four".