138300024 has 16 divisors (see below), whose sum is σ = 345750120. Its totient is φ = 46100000.

The previous prime is 138300017. The next prime is 138300047. The reversal of 138300024 is 420003831.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2881227 + ... + 2881274.

Almost surely, 2^138300024 is an apocalyptic number.

It is an amenable number.

138300024 is an abundant number, since it is smaller than the sum of its proper divisors (207450096).

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

138300024 is a wasteful number, since it uses less digits than its factorization.

138300024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5762510 (or 5762506 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 138300024 is about 11760.1030607729. The cubic root of 138300024 is about 517.1391514616.

Adding to 138300024 its reverse (420003831), we get a palindrome (558303855).

The spelling of 138300024 in words is "one hundred thirty-eight million, three hundred thousand, twenty-four".