138260124 has 72 divisors (see below), whose sum is σ = 363009920. Its totient is φ = 44323200.

The previous prime is 138260119. The next prime is 138260141. The reversal of 138260124 is 421062831.

138260124 is a `hidden beast` number, since 1 + 38 + 2 + 601 + 24 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 255294 + ... + 255834.

Almost surely, 2^138260124 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 138260124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181504960).

138260124 is an abundant number, since it is smaller than the sum of its proper divisors (224749796).

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

138260124 is a wasteful number, since it uses less digits than its factorization.

138260124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811 (or 806 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 138260124 is about 11758.4065246954. The cubic root of 138260124 is about 517.0894145776.

It can be divided in two parts, 138260 and 124, that added together give a square (138384 = 372²).

The spelling of 138260124 in words is "one hundred thirty-eight million, two hundred sixty thousand, one hundred twenty-four".