138527334 has 120 divisors (see below), whose sum is σ = 352243584. Its totient is φ = 40629600.

The previous prime is 138527327. The next prime is 138527357. The reversal of 138527334 is 433725831.

138527334 is a `hidden beast` number, since 1 + 385 + 273 + 3 + 4 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 725179 + ... + 725369.

Almost surely, 2^138527334 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 138527334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176121792).

138527334 is an abundant number, since it is smaller than the sum of its proper divisors (213716250).

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

138527334 is a wasteful number, since it uses less digits than its factorization.

138527334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264 (or 244 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 138527334 is about 11769.7635490268. The cubic root of 138527334 is about 517.4223197832.

The spelling of 138527334 in words is "one hundred thirty-eight million, five hundred twenty-seven thousand, three hundred thirty-four".